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WordPress security records

WordPress Vulnerability Listing

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

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5 vulnerability records

MediumCVE-2025-22319

Social Media Share Buttons | MashShare <= 4.0.47 - Missing Authorization

Affected versions: *-4.0.47

Vulnerability type: CWE-862 Missing Authorization

Affected software, patched versions and attribution

The MashShare – Social Media Share Buttons, Social Share Icons plugin for WordPress is vulnerable to unauthorized access due to a missing capability check on a function in all versions up to, and including, 4.0.47. This makes it possible for authenticated attackers, with Subscriber-level access and above, to perform an unauthorized action.

MashShare – Social Media Share Buttons, Social Share Icons

Affected versions: *-4.0.47

Patched versions: Not supplied

Researcher credit: Trương Hữu Phúc (truonghuuphuc)

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 3, 2025
CVSS
4.3
MediumCVE-2022-4544

Social Media Share Buttons <= 3.8.6 - Authenticated (Contributor+) Stored Cross-Site Scripting via shortcode

Affected versions: *-3.8.6

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

Affected software, patched versions and attribution

The Social Media Share Buttons plugin for WordPress is vulnerable to Stored Cross-Site Scripting via shortcode in versions up to, and including, 3.8.6 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

MashShare – Social Media Share Buttons, Social Share Icons

Affected versions: *-3.8.6

Patched versions: 3.8.7

Researcher credit: István Márton

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, 2022
CVSS
6.4
Medium

Social Media Share Buttons <= 3.8.3 - Authenticated (Admin+) Stored Cross-Site Scripting

Affected versions: *-3.8.3

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

Affected software, patched versions and attribution

The Social Media Share Buttons plugin for WordPress is vulnerable to stored cross-site scripting in versions up to, and including, 3.8.3, due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.

MashShare – Social Media Share Buttons, Social Share Icons

Affected versions: *-3.8.3

Patched versions: 3.8.4

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
August 19, 2022
CVSS
5.5
MediumCVE-2021-36849

Social Media Share Buttons <= 3.8.1 - Authenticated (Admin+) Stored Cross-Site Scripting

Affected versions: *-3.8.1

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

Affected software, patched versions and attribution

Authenticated (admin+) Stored Cross-Site Scripting (XSS) vulnerability in René Hermenau's Social Media Share Buttons plugin <= 3.8.1 at WordPress.

MashShare – Social Media Share Buttons, Social Share Icons

Affected versions: *-3.8.1

Patched versions: 3.8.2

Researcher credit: Asif Nawaz Minhas

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 16, 2022
CVSS
5.5
Medium

Social Media Share Buttons | MashShare < 2.3.1 - Information Disclosure

Affected versions: [*, 2.3.1)

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

Affected software, patched versions and attribution

The Social Media Share Buttons | MashShare plugin for WordPress is vulnerable to Information Disclosure in versions before 2.3.1 via the mashsb_process_actions function. This can allow unauthenticated attackers to extract sensitive data including configuration information.

MashShare – Social Media Share Buttons, Social Share Icons

Affected versions: [*, 2.3.1)

Patched versions: 2.3.1

Researcher credit: James Hooker

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
April 25, 2015
CVSS
5.3

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.