Vulnerability DatabaseCVE-2026-58037
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CVE-2026-58037
Published:July 01, 2026
Updated:July 20, 2026
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 includes/Language/Language.Php, includes/Logging/BlockLogFormatter.Php, includes/Logging/LogFormatter.Php, includes/Logging/PatrolLogFormatter.Php, includes/Logging/RenameuserLogFormatter.Php, includes/Logging/TagLogFormatter.Php, includes/Specials/SpecialVersion.Php. This issue affects MediaWiki: from * before 1.46.0, 1.45.4, 1.44.6, 1.43.9.
Affected Packages
https://github.com/wikimedia/mediawiki.git (GITHUB):
Affected version(s) >=1.43.0 <1.43.9
Fix Suggestion:
Update to version 1.43.9
https://github.com/wikimedia/mediawiki.git (GITHUB):
Affected version(s) >=1.45.0 <1.45.4
Fix Suggestion:
Update to version 1.45.4
https://github.com/wikimedia/mediawiki.git (GITHUB):
Affected version(s) =1.46.0-rc.0 <1.46.0
Fix Suggestion:
Update to version 1.46.0
https://github.com/wikimedia/mediawiki.git (GITHUB):
Affected version(s) >=1.44.0 <1.44.6
Fix Suggestion:
Update to version 1.44.6
mediawiki/core (PHP):
Affected version(s) >=1.45.0 <1.45.4
Fix Suggestion:
Update to version 1.45.4
mediawiki/core (PHP):
Affected version(s) =1.46.0-rc.0 <1.46.0
Fix Suggestion:
Update to version 1.46.0
mediawiki/core (PHP):
Affected version(s) >=1.44.0 <1.44.6
Fix Suggestion:
Update to version 1.44.6
mediawiki/core (PHP):
Affected version(s) >=1.43.0 <1.43.9
Fix Suggestion:
Update to version 1.43.9
Related Resources (1)
https://phabricator.wikimedia.org/T422995
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Weakness Type (CWE)
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-79
EPSS
Base Score:
0.27