CVE-2022-39194: Mediawiki

Medium severity, CVSS 4.9. EPSS: 1% chance of exploitation in the next 30 days.

An issue was discovered in the MediaWiki through 1.38.2. The community configuration pages for the GrowthExperiments extension could cause a site to become unavailable due to insufficient validation when certain actions (including page moves) were performed.

Affected products

• Mediawiki Mediawiki: up to and including 1.38.2

Published 2022-09-02. Last modified 2026-06-17.