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WordPress Vulnerability Listing

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Dataset last synchronized: 2026-08-03 00:31:25 UTC

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13 vulnerability records

MediumCVE-2025-24688

WP Mailster <= 1.8.20.0 - Reflected Cross-Site Scripting

WP Mailster: Currently marked unpatched

Affected versions: *-1.8.20.0

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

Affected software, patched versions and attribution

The WP Mailster plugin for WordPress is vulnerable to Reflected Cross-Site Scripting in all versions up to, and including, 1.8.20.0 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.

WP Mailster

Affected versions: *-1.8.20.0

Patched versions: 1.8.21.0

Researcher credit: 0xd4rk5id3

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 28, 2025
CVSS
6.1
MediumCVE-2025-22303

WP Mailster <= 1.8.17.0 - Unauthenticated Sensitive Information Exposure

WP Mailster: Currently marked unpatched

Affected versions: *-1.8.17.0

Vulnerability type: CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

Affected software, patched versions and attribution

The WP Mailster plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 1.8.17.0. This makes it possible for unauthenticated attackers to extract sensitive user or configuration data.

WP Mailster

Affected versions: *-1.8.17.0

Patched versions: 1.8.18.0

Researcher credit: Dhabaleshwar Das

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
5.3
MediumCVE-2025-24598

WP Mailster <= 1.8.17.0 - Reflected Cross-Site Scripting

WP Mailster: Currently marked unpatched

Affected versions: *-1.8.17.0

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

Affected software, patched versions and attribution

The WP Mailster plugin for WordPress is vulnerable to Reflected Cross-Site Scripting in all versions up to, and including, 1.8.17.0 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.

WP Mailster

Affected versions: *-1.8.17.0

Patched versions: 1.8.18.0

Researcher credit: LVT-tholv2k

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 22, 2024
CVSS
6.1
MediumCVE-2024-54355

WP Mailster <= 1.8.17.0 - Cross-Site Request Forgery

WP Mailster: Currently marked unpatched

Affected versions: *-1.8.17.0

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

Affected software, patched versions and attribution

The WP Mailster plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.8.17.0. This is due to missing or incorrect nonce validation on an unknown function. This makes it possible for unauthenticated attackers to perform an unknown action granted they can trick a site administrator into performing an action such as clicking on a link. The impact of this vulnerability is unknown.

WP Mailster

Affected versions: *-1.8.17.0

Patched versions: 1.8.18.0

Researcher credit: Dhabaleshwar Das

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 11, 2024
CVSS
4.3
MediumCVE-2025-24567

WP Mailster <= 1.8.16.0 - Unauthenticated Sensitive Information Exposure

WP Mailster: Currently marked unpatched

Affected versions: *-1.8.16.0

Vulnerability type: CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

Affected software, patched versions and attribution

The WP Mailster plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 1.8.16.0. This makes it possible for unauthenticated attackers to extract sensitive user or configuration data.

WP Mailster

Affected versions: *-1.8.16.0

Patched versions: 1.8.17.0

Researcher credit: Kévin Mosbahi (Mika)

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 7, 2024
CVSS
5.3
MediumCVE-2024-11782

WP Mailster <= 1.8.17.0 - Authenticated (Contributor+) Stored Cross-Site Scripting

WP Mailster: Currently marked unpatched

Affected versions: *-1.8.17.0

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

Affected software, patched versions and attribution

The WP Mailster plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'mst_subscribe' shortcode in all versions up to, and including, 1.8.17.0 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

WP Mailster

Affected versions: *-1.8.17.0

Patched versions: 1.8.18.0

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 2, 2024
CVSS
6.4
HighCVE-2024-53805

WP Mailster <= 1.8.16.0 - Missing Authorization

WP Mailster: Currently marked unpatched

Affected versions: *-1.8.16.0

Vulnerability type: CWE-862 Missing Authorization

Affected software, patched versions and attribution

The WP Mailster plugin for WordPress is vulnerable to unauthorized access due to a missing capability check on a function in all versions up to, and including, 1.8.16.0. This makes it possible for unauthenticated attackers to perform an unauthorized action.

WP Mailster

Affected versions: *-1.8.16.0

Patched versions: 1.8.17.0

Researcher credit: Kévin Mosbahi (Mika)

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 2, 2024
CVSS
7.5
MediumCVE-2024-53803

WP Mailster <= 1.8.16.0 - Missing Authorization

WP Mailster: Currently marked unpatched

Affected versions: *-1.8.16.0

Vulnerability type: CWE-862 Missing Authorization

Affected software, patched versions and attribution

The WP Mailster plugin for WordPress is vulnerable to unauthorized access due to a missing capability check on a function in all versions up to, and including, 1.8.16.0. This makes it possible for authenticated attackers, with Subscriber-level access and above, to perform an unauthorized action.

WP Mailster

Affected versions: *-1.8.16.0

Patched versions: 1.8.17.0

Researcher credit: Kévin Mosbahi (Mika)

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 2, 2024
CVSS
6.5
HighCVE-2024-53807

WP Mailster <= 1.8.16.0 - Authenticated (Contributor+) SQL Injection via orderby

WP Mailster: Currently marked unpatched

Affected versions: *-1.8.16.0

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

Affected software, patched versions and attribution

The WP Mailster plugin for WordPress is vulnerable to SQL Injection in versions up to, and including, 1.8.16.0 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 contributor-level access and above, to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.

WP Mailster

Affected versions: *-1.8.16.0

Patched versions: 1.8.17.0

Researcher credit: Lam Que Chi

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 2, 2024
CVSS
8.8
MediumCVE-2024-53804

WP Mailster <= 1.8.16.0 - Unauthenticated Information Exposure

WP Mailster: Currently marked unpatched

Affected versions: *-1.8.16.0

Vulnerability type: CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

Affected software, patched versions and attribution

The WP Mailster plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 1.8.16.0. This makes it possible for unauthenticated attackers to extract sensitive user or configuration data.

WP Mailster

Affected versions: *-1.8.16.0

Patched versions: 1.8.17.0

Researcher credit: Kévin Mosbahi (Mika)

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 2, 2024
CVSS
5.3
MediumCVE-2025-24559

WP Mailster <= 1.8.15.0 - Reflected Cross-Site Scripting

WP Mailster: Currently marked unpatched

Affected versions: *-1.8.15.0

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

Affected software, patched versions and attribution

The WP Mailster plugin for WordPress is vulnerable to Reflected Cross-Site Scripting in all versions up to, and including, 1.8.15.0 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.

WP Mailster

Affected versions: *-1.8.15.0

Patched versions: 1.8.16.0

Researcher credit: João Pedro Soares de Alcântara

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 23, 2024
CVSS
6.1
MediumCVE-2024-53737

WP Mailster <= 1.8.16.0 - Authenticated (Contributor+) Stored Cross-Site Scripting

WP Mailster: Currently marked unpatched

Affected versions: *-1.8.16.0

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

Affected software, patched versions and attribution

The WP Mailster plugin for WordPress is vulnerable to Stored Cross-Site Scripting in all versions up to, and including, 1.8.16.0 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

WP Mailster

Affected versions: *-1.8.16.0

Patched versions: 1.8.17.0

Researcher credit: Lam Que Chi

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 23, 2024
CVSS
6.4
MediumCVE-2017-17451

WP Mailster < 1.5.5 - Cross-Site Scripting

WP Mailster: Currently marked unpatched

Affected versions: [*, 1.5.5)

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

Affected software, patched versions and attribution

The WP Mailster plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'mes' parameter found in the 'view/subscription/unsubscribe2.php' file in versions up to 1.5.5 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.

WP Mailster

Affected versions: [*, 1.5.5)

Patched versions: 1.5.5

Researcher credit: Ricardo Sanchez

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 5, 2017
CVSS
6.1

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

Data Source, Attribution and Methodology

Production Feed records are aggregated without claiming discovery, exploitation or infection. Applicable source notices remain attached to individual records. Read the methodology.