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CVE-2026-58028
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, Wikimedia Foundation CentralAuth. This vulnerability is associated with program files includes/Api/ApiFormatBase.Php, includes/Api/ApiHelp.Php, includes/ResourceLoader/Module.Php, includes/Hooks/Handlers/PageDisplayHookHandler.Php, includes/LogFormatter/PermissionChangeLogFormatter.Php. This issue affects MediaWiki: from * before 1.46.0, 1.45.4, 1.44.6, 1.43.9; CentralAuth: 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) =1.46.0-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
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) >=1.43.0 <1.43.9
Fix Suggestion:
Update to version 1.43.9
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) >=1.44.0 <1.44.6
Fix Suggestion:
Update to version 1.44.6
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) >=1.43.0 <1.43.9
Fix Suggestion:
Update to version 1.43.9
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Weakness Type (CWE)
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
EPSS
Base Score:
0.27