A vulnerability was found in MediaWiki up to 1.35.13/1.39.5/1.40.1. It has been rated as problematic. Affected by this issue is the function SpecialCheckUserLog of the component CheckUser Extension. The manipulation leads to cross site scripting.

This vulnerability is handled as CVE-2024-23172. The attack may be launched remotely. There is no exploit available.

It is recommended to upgrade the affected component.