Medium severity5.4NVD Advisory· Published Jan 12, 2024· Updated Jun 17, 2026
CVE-2024-23172
CVE-2024-23172
Description
An issue was discovered in the CheckUser extension in MediaWiki before 1.35.14, 1.36.x through 1.39.x before 1.39.6, and 1.40.x before 1.40.2. XSS can occur via message definitions. e.g., in SpecialCheckUserLog.
AI Insight
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Affected products
4Patches
Vulnerability mechanics
References
2- gerrit.wikimedia.org/r/c/mediawiki/extensions/CheckUser/+/989179nvdPatchVendor Advisory
- phabricator.wikimedia.org/T347708nvdExploitVendor Advisory
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