CVE-2025-32071: The Wikimedia Foundation Mediawiki - Wikidata Extension

Medium severity, CVSS 5.4. EPSS: 0.2% chance of exploitation in the next 30 days.

Improper Input Validation vulnerability in The Wikimedia Foundation Mediawiki - Wikidata Extension allows Cross-Site Scripting (XSS) from widthheight message via ImageHandler::getDimensionsString()This issue affects Mediawiki - Wikidata Extension: from 1.39 through 1.43.

Affected products

• The Wikimedia Foundation Mediawiki - Wikidata Extension: from 1.39, up to and including 1.43

Published 2025-04-11. Last modified 2026-06-17.