CVE-2025-6589 With MultiBlocks enabled and a user who is suppressed via a MultiBlock, a user without 'hideuser' can see the hidden username in the BlockList

Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/specials/pagers/BlockListPager.Php. This issue affects MediaWiki: = 1.42.0...

CVE-2025-53625 DynamicPageList3 exposes hidden/suppressed usernames

The DynamicPageList3 extension is a reporting tool for MediaWiki, listing category members and intersections with various formats and details. Several dpl parameters can leak usernames that have been hidden using revision deletion, suppression, or the hideuser block flag. The vulnerability is fix...