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CVE-2020-12790

Description

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.

POC

Reference

- https://isec.pl/en/vulnerabilities/isec-0028-seomatic-ssti-23032020.txt

Github

- https://github.com/20142995/nuclei-templates

- https://github.com/cyb3r-w0lf/nuclei-template-collection