CVE-2025-61658

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

CVSS 1.3 LOWEPSS 0.2%CWE-22

Vexday Risk Score

8Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 1.3EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

03 Feb 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

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

Affected products

Wikimedia Foundation · CheckUser

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References

https://phabricator.wikimedia.org/T404805