Vulnerability Description
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.
CVSS Score
9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Nystudio107 | Seomatic | <= 3.4.11 |
Related Weaknesses (CWE)
References
- https://github.com/nystudio107/craft-seomatic/blob/develop/CHANGELOG.mdRelease NotesThird Party Advisory
- https://github.com/nystudio107/craft-seomatic/commit/3fee7d50147cdf3f999cfc1e04cPatchThird Party Advisory
- https://github.com/nystudio107/craft-seomatic/blob/develop/CHANGELOG.mdRelease NotesThird Party Advisory
- https://github.com/nystudio107/craft-seomatic/commit/3fee7d50147cdf3f999cfc1e04cPatchThird Party Advisory
FAQ
What is CVE-2021-41749?
CVE-2021-41749 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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.
How severe is CVE-2021-41749?
CVE-2021-41749 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2021-41749?
Check the references section above for vendor advisories and patch information. Affected products include: Nystudio107 Seomatic.