CVE-2019-19708: Mediawiki Visual Editor

Medium severity, CVSS 6.1. EPSS: 0.7% chance of exploitation in the next 30 days.

The VisualEditor extension through 1.34 for MediaWiki allows XSS via pasted content containing an element with a data-ve-clipboard-key attribute.

Affected products

• Mediawiki Visual Editor: up to and including 1.34

Published 2019-12-11. Last modified 2026-06-17.