CVE-2025-61658

Special:GlobalContributions shows edits on wikis the viewer doesn't have access to

State: Published
Severity: 1.3 Low
Published: Feb 3, 2026
Updated: Mar 3, 2026
Reserved: Sep 29, 2025

Description

Vulnerability in Wikimedia Foundation CheckUser. This vulnerability is associated with program files src/GlobalContributions/GlobalContributionsPager.Php.

This issue affects CheckUser: from * before 1.43.4, 1.44.1.

Scores

CVSS	Score	Vector	Source
4.0	1.3 Low	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U	wikimedia-foundation

Weaknesses

CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Affected Products

Product	Versions
CheckUserWikimedia Foundation	before 1.43.4, 1.44.1Affected

References

https://phabricator.wikimedia.org/T404805

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