CVE-2025-53479 | CheckUser Extension up to 1.39.12/1.42.6/1.43.1 on Mediawiki Special:CheckUser Interface cross site scripting

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A vulnerability has been found in CheckUser Extension up to 1.39.12/1.42.6/1.43.1 on Mediawiki and classified as problematic. This vulnerability affects unknown code of the component Special:CheckUser Interface. The manipulation leads to cross site scripting.

This vulnerability was named CVE-2025-53479. The attack can be initiated remotely. There is no exploit available.

It is recommended to upgrade the affected component.VulDB Recent EntriesRead More