What’s Vulnerable › Vulnerabilities
CVE-2022-41766
- Severity: medium (CVSS 4.3 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.6% probability of exploitation in the next 30 days
- Public exploit or detection template: yes
- Published: 2023-05-29 · updated 2026-06-17
- Weakness: CWE-732
Description
An issue was discovered in MediaWiki before 1.35.8, 1.36.x and 1.37.x before 1.37.5, and 1.38.x before 1.38.3. Upon an action=rollback operation, the alreadyrolled message can leak a user name (when the user has been revision deleted/suppressed).
Affected products
- Wikimedia Foundation MediaWiki: before 1.35.8; from 1.36.0 before 1.37.5; from 1.38.0 before 1.38.3 — fixed in 1.35.8, 1.37.5, 1.38.3
How to fix
Upgrade to a fixed version: Wikimedia Foundation MediaWiki 1.35.8, 1.37.5, 1.38.3. Check the vendor advisory for mitigations.
References
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