Mediawiki: >> Mediawiki >> 1.39.2 Security Vulnerabilities
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.Rcfilters/ui/RclToOrFromWidget.Js.
This issue affects MediaWiki: from * before 1.39.14, 1.43.4, 1.44.1.
CVSS Score
4.8
EPSS Score
0.0
Published
2026-02-03
Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/Rest/Handler/PageHTMLHandler.Php.
This issue affects MediaWiki: from * before 1.39.14, 1.43.4, 1.44.1.
CVSS Score
3.1
EPSS Score
0.0
Published
2026-02-03
Improper Access Control vulnerability in Wikimedia Foundation Mediawiki - Scribunto Extension allows : Accessing Functionality Not Properly Constrained by Authorization.This issue affects Mediawiki - Scribunto Extension: from 1.39.X before 1.39.12, from 1.42.X before 1.42.7, from 1.43.X before 1.43.2.
CVSS Score
8.8
EPSS Score
0.001
Published
2025-07-03
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - MassEditRegex Extension allows Stored XSS.This issue affects Mediawiki - MassEditRegex Extension: from 1.39.X before 1.39.12, from 1.42.X before 1.42.7, from 1.43.X before 1.43.2.
CVSS Score
5.6
EPSS Score
0.001
Published
2025-07-03
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - TwoColConflict Extension allows Stored XSS.This issue affects Mediawiki - TwoColConflict Extension: from 1.39.X before 1.39.13, from 1.42.X before 1.42.7, from 1.43.X before 1.43.2.
CVSS Score
6.5
EPSS Score
0.001
Published
2025-07-02
An issue was discovered in the AbuseFilter extension for MediaWiki before 1.39.9, 1.40.x and 1.41.x before 1.41.3, and 1.42.x before 1.42.2. An API caller can match a filter condition against AbuseFilter logs even if the caller is not authorized to view the log details for the filter.
CVSS Score
5.3
EPSS Score
0.007
Published
2024-10-04
An issue was discovered in the CheckUser extension for MediaWiki through 1.42.1. The Special:Investigate feature can expose suppressed information for log events. (TimelineService does not support properly suppressing.)
CVSS Score
4.3
EPSS Score
0.001
Published
2024-07-07
An issue was discovered in the CheckUser extension for MediaWiki through 1.42.1. It can expose suppressed information for log events. (The log_deleted attribute is not respected.)
CVSS Score
7.5
EPSS Score
0.004
Published
2024-07-07
An issue was discovered in the CheckUser extension for MediaWiki through 1.42.1. The API can expose suppressed information for log events. (The log_deleted attribute is not applied to entries.)
CVSS Score
4.3
EPSS Score
0.001
Published
2024-07-07
An issue was discovered in the GuMaxDD skin for MediaWiki through 1.42.1. There is stored XSS via MediaWiki:Sidebar top-level menu entries.
CVSS Score
4.8
EPSS Score
0.001
Published
2024-07-07