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CVE-2020-25812GHSA-RJ9P-8JXJ-2CH4BIT-MEDIAWIKI-2020-25812

An issue was discovered in MediaWiki 1.34.x before 1.34.4.

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 1.34.3, 1.35.0
None on Exploit-DB, Metasploit or GitHub

Summary

An issue was discovered in MediaWiki 1.34.x before 1.34.4. On Special:Contributions, the NS filter uses unescaped messages as keys in the option key for an HTMLForm specifier. This is vulnerable to a mild XSS if one of those messages is changed to include raw HTML.

Timeline

  1. CVE published
  2. Record last updated

Affected versions

  • n/a n/a

    Version range not reported

  • mediawiki/corePackagist

    From 1.34.0 · fixed in 1.34.3

  • mediawiki/corePackagist

    From 1.35.0-rc.0 · fixed in 1.35.0

References 4

gerrit.wikimedia.org

lists.wikimedia.org

lists.fedoraproject.org