RULE(RULE ID:335234)

Rule General Information
Release Date: 2021-12-20
Rule Name: CraftCMS Server-Side Template Injection Vulnerability (CVE-2020-9757)
Severity:
CVE ID:
Rule Protection Details
Description: The SEOmatic component before 3.3.0 for Craft CMS allows Server-Side Template Injection that leads to RCE via malformed data to the metacontainers controller.
Impact: An attacker could exploit this vulnerability to have unspecified effect.
Affected OS: Windows, Linux, Others
Reference: https://github.com/giany/CVE/blob/master/CVE-2020-9757.txt
https://github.com/nystudio107/craft-seomatic/blob/v3/CHANGELOG.md
https://github.com/nystudio107/craft-seomatic/commit/65ab659cb6c914c7ad671af1e417c0da2431f79b
https://github.com/nystudio107/craft-seomatic/commit/a1c2cad7e126132d2442ec8ec8e9ab43df02cc0f
Solutions
The vendor has released upgrade patches to fix vulnerabilities, please visit:
https://craftcms.com/