CVE-2021-31779: Yoast Seo

Medium severity, CVSS 6.4. EPSS: 0.5% chance of exploitation in the next 30 days.

The yoast_seo (aka Yoast SEO) extension before 7.2.1 for TYPO3 allows SSRF via a backend user account.

Affected products

• Yoast Yoast Seo: before 7.2.1 (fixed in 7.2.1)

Published 2021-04-28. Last modified 2026-06-17.