CVE-2024-40598: Mediawiki

Medium severity, CVSS 4.3. EPSS: 0.3% chance of exploitation in the next 30 days.

An issue was discovered in the CheckUser extension for MediaWiki through 1.42.1. The API can expose suppressed information for log events. (The log_deleted attribute is not applied to entries.)

Affected products

• Mediawiki Mediawiki: up to and including 1.42.1

Published 2024-07-07. Last modified 2026-06-17.