CVE-2023-37251: Mediawiki

Medium severity, CVSS 6.1. EPSS: 0.4% chance of exploitation in the next 30 days.

An issue was discovered in the GoogleAnalyticsMetrics extension for MediaWiki through 1.39.3. The googleanalyticstrackurl parser function does not properly escape JavaScript in the onclick handler and does not prevent use of javascript: URLs.

Affected products

• Mediawiki Mediawiki: up to and including 1.39.3

Published 2023-06-29. Last modified 2026-06-17.