What’s Vulnerable › Vulnerabilities

CVE-2022-41765

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-12-26 · updated 2026-06-17
• Weakness: CWE-203

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. HTMLUserTextField exposes the existence of hidden users.

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

• https://phabricator.wikimedia.org/T309894
• https://security.gentoo.org/glsa/202305-24
• https://phabricator.wikimedia.org/T309894
• https://security.gentoo.org/glsa/202305-24

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