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WordPress Vulnerability Listing

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20 vulnerability records

MediumCVE-2026-57778

Booking calendar, Appointment Booking System <= 3.2.36 - Missing Authorization

Booking calendar, Appointment Booking System: Currently marked unpatched

Affected versions: *-3.2.36

Vulnerability type: CWE-862 Missing Authorization

Affected software, patched versions and attribution

The Booking calendar, Appointment Booking System plugin for WordPress is vulnerable to unauthorized access due to a missing capability check on a function in versions up to, and including, 3.2.36. This makes it possible for unauthenticated attackers to perform an unauthorized action.

Booking calendar, Appointment Booking System

Affected versions: *-3.2.36

Patched versions: Not supplied

Researcher credit: Nabil Irawan

Applicable copyright and licence notices

This record contains material that is subject to copyright

Copyright 2012-2026 Defiant Inc.

Defiant hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute this software vulnerability information. Any copy of the software vulnerability information you make for such purposes is authorized provided that you include a hyperlink to this vulnerability record and reproduce Defiant's copyright designation and this license in any such copy.

Licence reference

This record contains material that is subject to copyright

Copyright 1999-2026 The MITRE Corporation

CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE®). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy.

Licence reference

Original Wordfence record
Published
July 2, 2026
CVSS
5.3
HighCVE-2026-25435

Booking calendar, Appointment Booking System <= 3.2.36 - Unauthenticated Stored Cross-Site Scripting

Booking calendar, Appointment Booking System: Currently marked unpatched

Affected versions: *-3.2.36

Vulnerability type: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Affected software, patched versions and attribution

The Booking calendar, Appointment Booking System plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 3.2.36 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Booking calendar, Appointment Booking System

Affected versions: *-3.2.36

Patched versions: Not supplied

Researcher credit: dragonzen

Applicable copyright and licence notices

This record contains material that is subject to copyright

Copyright 2012-2026 Defiant Inc.

Defiant hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute this software vulnerability information. Any copy of the software vulnerability information you make for such purposes is authorized provided that you include a hyperlink to this vulnerability record and reproduce Defiant's copyright designation and this license in any such copy.

Licence reference

This record contains material that is subject to copyright

Copyright 1999-2026 The MITRE Corporation

CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE®). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy.

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Original Wordfence record
Published
March 18, 2026
CVSS
7.2
MediumCVE-2025-67574

Booking calendar, Appointment Booking System <= 3.2.30 - Missing Authorization

Booking calendar, Appointment Booking System: Currently marked unpatched

Affected versions: *-3.2.30

Vulnerability type: CWE-862 Missing Authorization

Affected software, patched versions and attribution

The Booking calendar, Appointment Booking System plugin for WordPress is vulnerable to unauthorized access due to a missing capability check on a function in all versions up to, and including, 3.2.30. This makes it possible for unauthenticated attackers to perform an unauthorized action.

Booking calendar, Appointment Booking System

Affected versions: *-3.2.30

Patched versions: 3.2.31

Researcher credit: Legion Hunter

Applicable copyright and licence notices

This record contains material that is subject to copyright

Copyright 2012-2026 Defiant Inc.

Defiant hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute this software vulnerability information. Any copy of the software vulnerability information you make for such purposes is authorized provided that you include a hyperlink to this vulnerability record and reproduce Defiant's copyright designation and this license in any such copy.

Licence reference

This record contains material that is subject to copyright

Copyright 1999-2026 The MITRE Corporation

CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE®). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy.

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Original Wordfence record
Published
December 15, 2025
CVSS
5.3
MediumCVE-2026-15289

Booking calendar, Appointment Booking System <= 3.2.17 - Unauthenticated Time-Based SQL Injection via 'wpdevart_id'

Booking calendar, Appointment Booking System: Currently marked unpatched

Affected versions: *-3.2.17

Vulnerability type: CWE-89 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

Affected software, patched versions and attribution

The Booking calendar, Appointment Booking System plugin for WordPress is vulnerable to time-based SQL Injection via the ‘wpdevart_id’ parameter in all versions up to, and including, 3.2.17 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for unauthenticated attackers to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database. In order to exploit the vulnerability, the Pro version of the plugin must be installed and activated, with the 'Delete previous dates' option checked.

Booking calendar, Appointment Booking System

Affected versions: *-3.2.17

Patched versions: 3.2.18

Researcher credit: shaman0x01

Applicable copyright and licence notices

This record contains material that is subject to copyright

Copyright 2012-2026 Defiant Inc.

Defiant hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute this software vulnerability information. Any copy of the software vulnerability information you make for such purposes is authorized provided that you include a hyperlink to this vulnerability record and reproduce Defiant's copyright designation and this license in any such copy.

Licence reference

This record contains material that is subject to copyright

Copyright 1999-2026 The MITRE Corporation

CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE®). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy.

Licence reference

Original Wordfence record
Published
July 1, 2025
CVSS
5.9
MediumCVE-2024-12077

Booking Calendar and Booking Calendar Pro <= Multiple Versions - Reflected Cross-Site Scripting via 'calendar_id'

Booking calendar, Appointment Booking System: Currently marked unpatchedBooking Calendar Pro WpDevArt: Currently marked unpatched

Affected versions: *-3.2.19; *-11.2.19

Vulnerability type: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Affected software, patched versions and attribution

The Booking Calendar and Booking Calendar Pro plugins for WordPress are vulnerable to Reflected Cross-Site Scripting via the ‘calendar_id’ parameter in all versions up to, and including, 3.2.19 and 11.2.19 respectively, due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.

Booking calendar, Appointment Booking System

Affected versions: *-3.2.19

Patched versions: 3.2.20

Booking Calendar Pro WpDevArt

Affected versions: *-11.2.19

Patched versions: 11.2.20

Researcher credit: vgo0

Applicable copyright and licence notices

This record contains material that is subject to copyright

Copyright 2012-2026 Defiant Inc.

Defiant hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute this software vulnerability information. Any copy of the software vulnerability information you make for such purposes is authorized provided that you include a hyperlink to this vulnerability record and reproduce Defiant's copyright designation and this license in any such copy.

Licence reference

This record contains material that is subject to copyright

Copyright 1999-2026 The MITRE Corporation

CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE®). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy.

Licence reference

Original Wordfence record
Published
January 6, 2025
CVSS
6.1
MediumCVE-2024-10856

Booking Calendar WpDevArt <= 3.2.19 - Authenticated (Contributor+) SQL Injection

Booking calendar, Appointment Booking System: Currently marked unpatched

Affected versions: *-3.2.19

Vulnerability type: CWE-89 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

Affected software, patched versions and attribution

The Booking Calendar WpDevArt plugin is vulnerable to time-based, blind SQL injection via the `id` parameter in the “wpdevart_booking_calendar” shortcode in versions up to, and including, 3.2.19 due to insufficient escaping on the user-supplied parameter and lack of sufficient preparation on the existing SQL query. The vulnerability requires the “delete_prev_date” theme option being enabled. This makes it possible for authenticated attackers, with contributor-level access or above, to append additional SQL queries into already existing query that can be used to extract sensitive information such as passwords from the database.

Booking calendar, Appointment Booking System

Affected versions: *-3.2.19

Patched versions: 3.2.20

Researcher credit: Peter Thaleikis

Applicable copyright and licence notices

This record contains material that is subject to copyright

Copyright 2012-2026 Defiant Inc.

Defiant hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute this software vulnerability information. Any copy of the software vulnerability information you make for such purposes is authorized provided that you include a hyperlink to this vulnerability record and reproduce Defiant's copyright designation and this license in any such copy.

Licence reference

This record contains material that is subject to copyright

Copyright 1999-2026 The MITRE Corporation

CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE®). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy.

Licence reference

Original Wordfence record
Published
December 23, 2024
CVSS
6.5
HighCVE-2024-9504

Booking calendar, Appointment Booking System <= 3.2.15 - Unauthenticated Stored Cross-Site Scripting via SVG File Upload

Booking calendar, Appointment Booking System: Currently marked unpatched

Affected versions: *-3.2.15

Vulnerability type: CWE-434 Unrestricted Upload of File with Dangerous Type

Affected software, patched versions and attribution

The Booking calendar, Appointment Booking System plugin for WordPress is vulnerable to Stored Cross-Site Scripting via SVG File uploads in all versions up to, and including, 3.2.15 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses the SVG file.

Booking calendar, Appointment Booking System

Affected versions: *-3.2.15

Patched versions: 3.2.16

Researcher credit: Rein Daelman (trein)

Applicable copyright and licence notices

This record contains material that is subject to copyright

Copyright 2012-2026 Defiant Inc.

Defiant hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute this software vulnerability information. Any copy of the software vulnerability information you make for such purposes is authorized provided that you include a hyperlink to this vulnerability record and reproduce Defiant's copyright designation and this license in any such copy.

Licence reference

This record contains material that is subject to copyright

Copyright 1999-2026 The MITRE Corporation

CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE®). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy.

Licence reference

Original Wordfence record
Published
November 25, 2024
CVSS
7.2
MediumCVE-2023-24407

Booking calendar, Appointment Booking System <= 3.2.3 - Missing Authorization

Booking calendar, Appointment Booking System: Currently marked unpatched

Affected versions: *-3.2.3

Vulnerability type: CWE-862 Missing Authorization

Affected software, patched versions and attribution

The Booking calendar, Appointment Booking System plugin for WordPress is vulnerable to unauthorized access due to a missing capability check on a function in all versions up to, and including, 3.2.3. This makes it possible for authenticated attackers, with Editor-level access and above, to perform an unauthorized action.

Booking calendar, Appointment Booking System

Affected versions: *-3.2.3

Patched versions: 3.2.4

Researcher credit: yuyudhn

Applicable copyright and licence notices

This record contains material that is subject to copyright

Copyright 2012-2026 Defiant Inc.

Defiant hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute this software vulnerability information. Any copy of the software vulnerability information you make for such purposes is authorized provided that you include a hyperlink to this vulnerability record and reproduce Defiant's copyright designation and this license in any such copy.

Licence reference

This record contains material that is subject to copyright

Copyright 1999-2026 The MITRE Corporation

CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE®). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy.

Licence reference

Original Wordfence record
Published
January 27, 2024
CVSS
4.1
High

Booking Calendar WpDevArt <= 3.2.11 - Authenticated (Admin+) SQL Injection

Booking calendar, Appointment Booking System: Currently marked unpatched

Affected versions: *-3.2.11

Vulnerability type: CWE-89 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

Affected software, patched versions and attribution

The Booking calendar, Appointment Booking System plugin for WordPress is vulnerable to SQL Injection via the '$email_address' variable in all versions up to, and including, 3.2.11 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for authenticated attackers, with administrator-level access and above, to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.

Booking calendar, Appointment Booking System

Affected versions: *-3.2.11

Patched versions: 3.2.12

Applicable copyright and licence notices

This record contains material that is subject to copyright

Copyright 2012-2026 Defiant Inc.

Defiant hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute this software vulnerability information. Any copy of the software vulnerability information you make for such purposes is authorized provided that you include a hyperlink to this vulnerability record and reproduce Defiant's copyright designation and this license in any such copy.

Licence reference

Original Wordfence record
Published
October 29, 2023
CVSS
7.2
High

Booking calendar, Appointment Booking System <= 3.2.8 - Multiple Authenticated(Editor+) SQL Injection

Booking calendar, Appointment Booking System: Currently marked unpatched

Affected versions: [*, 3.2.9)

Vulnerability type: CWE-89 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

Affected software, patched versions and attribution

The Booking calendar plugin for WordPress is vulnerable to SQL Injection via the search functionality on multiple administrative pages in versions up to, and including, 3.2.8 due to insufficient escaping on the user supplied parameters and lack of sufficient preparation on the existing SQL query. This makes it possible for authenticated attackers with Editor privileges and above to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database. Note that the Pro version of the plugin allows administrators to grant access to the plugin's Administrative pages to any user role, so other roles may be able to exploit the vulnerability if they have been granted access.

Booking calendar, Appointment Booking System

Affected versions: [*, 3.2.9)

Patched versions: 3.2.9

Applicable copyright and licence notices

This record contains material that is subject to copyright

Copyright 2012-2026 Defiant Inc.

Defiant hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute this software vulnerability information. Any copy of the software vulnerability information you make for such purposes is authorized provided that you include a hyperlink to this vulnerability record and reproduce Defiant's copyright designation and this license in any such copy.

Licence reference

Original Wordfence record
Published
September 12, 2023
CVSS
7.2
HighCVE-2022-47428

Booking calendar, Appointment Booking System <= 3.2.6 - Authenticated (Administrator+) SQL Injection via *_selected

Booking calendar, Appointment Booking System: Currently marked unpatched

Affected versions: *-3.2.6

Vulnerability type: CWE-89 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

Affected software, patched versions and attribution

The Booking calendar, Appointment Booking System plugin for WordPress is vulnerable to generic SQL Injection via the multiple *_selected functions in versions up to, and including, 3.2.6 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for authenticated attackers, with administrator-level access and above, to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.

Booking calendar, Appointment Booking System

Affected versions: *-3.2.6

Patched versions: 3.2.7

Researcher credit: thiennv

Applicable copyright and licence notices

This record contains material that is subject to copyright

Copyright 2012-2026 Defiant Inc.

Defiant hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute this software vulnerability information. Any copy of the software vulnerability information you make for such purposes is authorized provided that you include a hyperlink to this vulnerability record and reproduce Defiant's copyright designation and this license in any such copy.

Licence reference

This record contains material that is subject to copyright

Copyright 1999-2026 The MITRE Corporation

CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE®). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy.

Licence reference

Original Wordfence record
Published
April 19, 2023
CVSS
7.2
MediumCVE-2022-47438

Booking calendar, Appointment Booking System <= 3.2.3 - Authenticated (Editor+) Stored Cross-Site Scripting

Booking calendar, Appointment Booking System: Currently marked unpatched

Affected versions: *-3.2.3

Vulnerability type: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Affected software, patched versions and attribution

The Booking calendar plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in versions up to, and including, 3.2.3 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with editor-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Booking calendar, Appointment Booking System

Affected versions: *-3.2.3

Patched versions: 3.2.4

Researcher credit: yuyudhn

Applicable copyright and licence notices

This record contains material that is subject to copyright

Copyright 2012-2026 Defiant Inc.

Defiant hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute this software vulnerability information. Any copy of the software vulnerability information you make for such purposes is authorized provided that you include a hyperlink to this vulnerability record and reproduce Defiant's copyright designation and this license in any such copy.

Licence reference

This record contains material that is subject to copyright

Copyright 1999-2026 The MITRE Corporation

CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE®). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy.

Licence reference

Original Wordfence record
Published
January 27, 2023
CVSS
5.5
MediumCVE-2023-24373

Booking calendar, Appointment Booking System <= 3.2.3 - Unauthenticated Bypass Vulnerability

Booking calendar, Appointment Booking System: Currently marked unpatched

Affected versions: *-3.2.3

Vulnerability type: CWE-472 External Control of Assumed-Immutable Web Parameter

Affected software, patched versions and attribution

The Booking calendar, Appointment Booking System plugin for WordPress is vulnerable to a bypass in all versions up to, and including, 3.2.3. This makes it possible for unauthenticated attackers to bypass controls. It is unclear from the original source of this vulnerability what the actual impact is.

Booking calendar, Appointment Booking System

Affected versions: *-3.2.3

Patched versions: 3.2.4

Researcher credit: yuyudhn

Applicable copyright and licence notices

This record contains material that is subject to copyright

Copyright 2012-2026 Defiant Inc.

Defiant hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute this software vulnerability information. Any copy of the software vulnerability information you make for such purposes is authorized provided that you include a hyperlink to this vulnerability record and reproduce Defiant's copyright designation and this license in any such copy.

Licence reference

This record contains material that is subject to copyright

Copyright 1999-2026 The MITRE Corporation

CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE®). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy.

Licence reference

Original Wordfence record
Published
January 27, 2023
CVSS
5.3
MediumCVE-2023-24388

Booking calendar, Appointment Booking System <= 3.2.3 - Cross-Site Request Forgery

Booking calendar, Appointment Booking System: Currently marked unpatched

Affected versions: *-3.2.3

Vulnerability type: CWE-352 Cross-Site Request Forgery (CSRF)

Affected software, patched versions and attribution

The Booking calendar plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 3.2.3. This is due to missing or incorrect nonce validation when creating, editing, duplicating and deleting bookings. This makes it possible for unauthenticated attackers to manipulate bookings using these actions via forged request granted they can trick an administrator into performing an action such as clicking on a link.

Booking calendar, Appointment Booking System

Affected versions: *-3.2.3

Patched versions: 3.2.4

Researcher credit: yuyudhn

Applicable copyright and licence notices

This record contains material that is subject to copyright

Copyright 2012-2026 Defiant Inc.

Defiant hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute this software vulnerability information. Any copy of the software vulnerability information you make for such purposes is authorized provided that you include a hyperlink to this vulnerability record and reproduce Defiant's copyright designation and this license in any such copy.

Licence reference

This record contains material that is subject to copyright

Copyright 1999-2026 The MITRE Corporation

CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE®). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy.

Licence reference

Original Wordfence record
Published
January 27, 2023
CVSS
4.3
CriticalCVE-2022-3982

Booking calendar, Appointment Booking System <= 3.2.1 - Unauthenticated Arbitrary File Upload

Booking calendar, Appointment Booking System: Currently marked unpatched

Affected versions: *-3.2.1

Vulnerability type: CWE-434 Unrestricted Upload of File with Dangerous Type

Affected software, patched versions and attribution

The Booking calendar, Appointment Booking System plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation via the save_reserv function in versions up to, and including, 3.2.1. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected sites server which may make remote code execution possible.

Booking calendar, Appointment Booking System

Affected versions: *-3.2.1

Patched versions: 3.2.2

Researcher credit: cydave

Applicable copyright and licence notices

This record contains material that is subject to copyright

Copyright 2012-2026 Defiant Inc.

Defiant hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute this software vulnerability information. Any copy of the software vulnerability information you make for such purposes is authorized provided that you include a hyperlink to this vulnerability record and reproduce Defiant's copyright designation and this license in any such copy.

Licence reference

This record contains material that is subject to copyright

Copyright 1999-2026 The MITRE Corporation

CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE®). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy.

Licence reference

Original Wordfence record
Published
November 21, 2022
CVSS
9.8
HighCVE-2018-10363

Booking calendar, Appointment Booking System < 2.2.3 - Unauthenticated Parameter Manipulation

Booking calendar, Appointment Booking System: Currently marked unpatched

Affected versions: *-2.2.2

Vulnerability type: CWE-20 Improper Input Validation

Affected software, patched versions and attribution

An issue was discovered in the WpDevArt "Booking calendar, Appointment Booking System" plugin in versions up to, and including, 2.2.2 for WordPress. Multiple parameters allow remote attackers to manipulate the values to change data such as prices.

Booking calendar, Appointment Booking System

Affected versions: *-2.2.2

Patched versions: 2.2.3

Researcher credit: B0UG

Applicable copyright and licence notices

This record contains material that is subject to copyright

Copyright 2012-2026 Defiant Inc.

Defiant hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute this software vulnerability information. Any copy of the software vulnerability information you make for such purposes is authorized provided that you include a hyperlink to this vulnerability record and reproduce Defiant's copyright designation and this license in any such copy.

Licence reference

This record contains material that is subject to copyright

Copyright 1999-2026 The MITRE Corporation

CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE®). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy.

Licence reference

Original Wordfence record
Published
June 7, 2018
CVSS
7.5
HighCVE-2018-5673

Booking calendar, Appointment Booking System <= 2.1.7 - Cross-Site Request Forgery

Booking calendar, Appointment Booking System: Currently marked unpatched

Affected versions: [*, 2.1.8)

Vulnerability type: CWE-352 Cross-Site Request Forgery (CSRF)

Affected software, patched versions and attribution

An issue was discovered in the booking-calendar plugin 2.1.7 for WordPress. CSRF exists via wp-admin/admin.php.

Booking calendar, Appointment Booking System

Affected versions: [*, 2.1.8)

Patched versions: 2.1.8

Researcher credit: d4wner

Applicable copyright and licence notices

This record contains material that is subject to copyright

Copyright 2012-2026 Defiant Inc.

Defiant hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute this software vulnerability information. Any copy of the software vulnerability information you make for such purposes is authorized provided that you include a hyperlink to this vulnerability record and reproduce Defiant's copyright designation and this license in any such copy.

Licence reference

This record contains material that is subject to copyright

Copyright 1999-2026 The MITRE Corporation

CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE®). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy.

Licence reference

Original Wordfence record
Published
January 12, 2018
CVSS
8.8
MediumCVE-2018-5670

Booking calendar, Appointment Booking System <= 2.1.7 - Cross-Site Scripting

Booking calendar, Appointment Booking System: Currently marked unpatched

Affected versions: [*, 2.1.8)

Vulnerability type: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Affected software, patched versions and attribution

An issue was discovered in the booking-calendar plugin 2.1.7 for WordPress. XSS exists via the wp-admin/admin.php sale_conditions[count][] parameter.

Booking calendar, Appointment Booking System

Affected versions: [*, 2.1.8)

Patched versions: 2.1.8

Researcher credit: d4wner

Applicable copyright and licence notices

This record contains material that is subject to copyright

Copyright 2012-2026 Defiant Inc.

Defiant hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute this software vulnerability information. Any copy of the software vulnerability information you make for such purposes is authorized provided that you include a hyperlink to this vulnerability record and reproduce Defiant's copyright designation and this license in any such copy.

Licence reference

This record contains material that is subject to copyright

Copyright 1999-2026 The MITRE Corporation

CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE®). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy.

Licence reference

Original Wordfence record
Published
January 11, 2018
CVSS
5.5
MediumCVE-2018-5672

Booking calendar, Appointment Booking System <= 2.1.7 - Cross-Site Scripting

Booking calendar, Appointment Booking System: Currently marked unpatched

Affected versions: [*, 2.1.8)

Vulnerability type: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Affected software, patched versions and attribution

An issue was discovered in the booking-calendar plugin 2.1.7 for WordPress. XSS exists via the wp-admin/admin.php form_field5[label] parameter.

Booking calendar, Appointment Booking System

Affected versions: [*, 2.1.8)

Patched versions: 2.1.8

Researcher credit: d4wner

Applicable copyright and licence notices

This record contains material that is subject to copyright

Copyright 2012-2026 Defiant Inc.

Defiant hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute this software vulnerability information. Any copy of the software vulnerability information you make for such purposes is authorized provided that you include a hyperlink to this vulnerability record and reproduce Defiant's copyright designation and this license in any such copy.

Licence reference

This record contains material that is subject to copyright

Copyright 1999-2026 The MITRE Corporation

CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE®). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy.

Licence reference

Original Wordfence record
Published
January 11, 2018
CVSS
5.5
MediumCVE-2018-5671

Booking calendar, Appointment Booking System <= 2.1.7 - Cross-Site Scripting

Booking calendar, Appointment Booking System: Currently marked unpatched

Affected versions: [*, 2.1.8)

Vulnerability type: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Affected software, patched versions and attribution

An issue was discovered in the booking-calendar plugin 2.1.7 for WordPress. XSS exists via the wp-admin/admin.php extra_field1[items][field_item1][price_percent] parameter.

Booking calendar, Appointment Booking System

Affected versions: [*, 2.1.8)

Patched versions: 2.1.8

Researcher credit: d4wner

Applicable copyright and licence notices

This record contains material that is subject to copyright

Copyright 2012-2026 Defiant Inc.

Defiant hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute this software vulnerability information. Any copy of the software vulnerability information you make for such purposes is authorized provided that you include a hyperlink to this vulnerability record and reproduce Defiant's copyright designation and this license in any such copy.

Licence reference

This record contains material that is subject to copyright

Copyright 1999-2026 The MITRE Corporation

CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE®). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy.

Licence reference

Original Wordfence record
Published
January 11, 2018
CVSS
5.5

Vulnerability data: Wordfence Intelligence. Analysis and practical guidance: 3Zero Digital.

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