What’s Vulnerable › Vulnerabilities
CVE-2022-39193
- Severity: medium (CVSS 5.3 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: 2023-01-20 · updated 2026-06-17
- Weakness: CWE-200
Description
An issue was discovered in the CheckUser extension for MediaWiki through 1.39.x. Various components of this extension can expose information on the performer of edits and logged actions. This information should not allow public viewing: it is supposed to be viewable only by users with suppression rights.
Affected products
- Wikimedia Foundation MediaWiki: 1.39.0, 1.39.0-rc0, 1.39.0-rc1, 1.39.1
References
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