CVE-2020-12790: NYSTUDIO107 Seomatic

High severity, CVSS 7.5. EPSS: 2.2% chance of exploitation in the next 30 days.

In the SEOmatic plugin before 3.2.49 for Craft CMS, helpers/DynamicMeta.php does not properly sanitize the URL. This leads to Server-Side Template Injection and credentials disclosure via a crafted Twig template after a semicolon.

Affected products

• NYSTUDIO107 Seomatic: before 3.2.49 (fixed in 3.2.49)

Published 2020-05-11. Last modified 2026-06-17.