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 PUBLISHED

Description (CNA)

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

Affected (CNA)

Vendor / product	Versions
Wikimedia Foundation / MediaWiki	affected >= 1.42.0

CWE

No CWE identifiers supplied.

References

https://phabricator.wikimedia.org/T391343

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.