Medium severity6.1NVD Advisory· Published Feb 3, 2026· Updated Apr 9, 2026
CVE-2025-61651
CVE-2025-61651
Description
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation CheckUser. This vulnerability is associated with program files modules/ext.CheckUser/checkuser/checkUserHelper/buildUserElement.Js.
This issue affects CheckUser: from * before 1.44.1.
Affected products
1Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
1- phabricator.wikimedia.org/T403408nvdPermissions Required
News mentions
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