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

CVSS 2.1 LOWEPSS 0.4%CWE-22

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

CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N/AU:Y

Produtos afetados

Wikimedia Foundation · MediaWiki

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Referências

https://phabricator.wikimedia.org/T391343