CVE-2019-13478: Yoast Seo

Critical severity, CVSS 9.8. EPSS: 3.3% chance of exploitation in the next 30 days.

The Yoast SEO plugin before 11.6-RC5 for WordPress does not properly restrict unfiltered HTML in term descriptions.

Affected products

• Yoast Yoast Seo: before 11.6 (fixed in 11.6); version 11.6 only

Published 2019-07-09. Last modified 2026-06-17.