A vulnerability was found in Wikimedia MediaWiki up to 1.39.12/1.43.x. It has been rated as problematic. This vulnerability affects unknown code of the file includes/specials/pagers/BlockListPager.Php. This manipulation causes information disclosure.
The identification of this vulnerability is CVE-2025-6927. It is possible to initiate the attack remotely. There is no exploit available.
Upgrading the affected component is advised.
