Mediawiki: Security Vulnerabilities
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation CheckUser.
This issue affects CheckUser: from 1.45.0 before 1.45.2.
CVSS Score
4.8
EPSS Score
0.003
Published
2026-05-11
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki.
This issue affects MediaWiki: from * before 1.43.7, 1.44.4, 1.45.2.
CVSS Score
5.5
EPSS Score
0.003
Published
2026-05-11
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki.
This vulnerability is associated with program files includes/Skin/Skin.Php.
This issue affects MediaWiki: from * before 1.43.7, 1.44.4, 1.45.2.
CVSS Score
2.1
EPSS Score
0.002
Published
2026-05-11
Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in Wikimedia Foundation Mediawiki - Cargo Extension allows Stored XSS.This issue affects Mediawiki - Cargo Extension: before 3.8.7.
CVSS Score
6.3
EPSS Score
0.002
Published
2026-04-07
Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in WikiWorks Mediawiki - Cargo Extension allows Stored XSS.This issue affects Mediawiki - Cargo Extension: before 3.8.7.
CVSS Score
6.3
EPSS Score
0.002
Published
2026-04-07
Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in Wikimedia Foundation Mediawiki - Cargo Extension allows Stored XSS.This issue affects Mediawiki - Cargo Extension: before 3.8.7.
CVSS Score
6.3
EPSS Score
0.002
Published
2026-04-07
Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Wikimedia Foundation Mediawiki - Cargo Extension allows XSS Targeting Non-Script Elements.This issue affects Mediawiki - Cargo Extension: before 3.8.7.
CVSS Score
5.1
EPSS Score
0.002
Published
2026-04-07
Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/Api/ApiQueryRevisionsBase.Php.
This issue affects MediaWiki: from * before 1.39.16, 1.43.6, 1.44.3, 1.45.1.
CVSS Score
6.5
EPSS Score
0.002
Published
2026-02-03
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files resources/src/mediawiki.JqueryMsg/mediawiki.JqueryMsg.Js.
This issue affects MediaWiki: from * before 1.39.16, 1.43.6, 1.44.3, 1.45.1.
CVSS Score
6.1
EPSS Score
0.002
Published
2026-02-03
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files resources/src/mediawiki.Page.Preview.Js.
This issue affects MediaWiki: from * before 1.43.6, 1.44.3, 1.45.1.
CVSS Score
6.1
EPSS Score
0.002
Published
2026-02-03