What’s Vulnerable › Vulnerabilities
CVE-2025-61658: Special:GlobalContributions shows edits on wikis the viewer doesn't have access to
- Severity: medium (CVSS 4.3 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-02-03 · updated 2026-06-17
- Weakness: CWE-22
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.
Affected products
- Wikimedia Foundation CheckUser: from 1.43.0 before 1.43.4; 1.44.0 — fixed in 1.43.4
How to fix
Upgrade to a fixed version: Wikimedia Foundation CheckUser 1.43.4. Check the vendor advisory for mitigations.
References
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