CVE-2021-41749: Improper Control of Generation of Code ('Code Injection')

June 12, 2022 (updated June 17, 2022)

In the SEOmatic plugin up to 3.4.11 for Craft CMS 3, it is possible for unauthenticated attackers to perform a Server-Side Template Injection, allowing for remote code execution.

References

github.com/nystudio107/craft-seomatic/blob/develop/CHANGELOG.md
github.com/nystudio107/craft-seomatic/commit/3fee7d50147cdf3f999cfc1e04cbc3fb3d9f2f7d
nvd.nist.gov/vuln/detail/CVE-2021-41749

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