Server-Side Template Injection in SEOmatic for Craft CMS
CVE-2020-9757

9.8CRITICAL

Key Information:

Vendor

Craftcms

Status
Craft Cms
Vendor
CVE Published:
4 March 2020

What is CVE-2020-9757?

The SEOmatic component for Craft CMS, prior to version 3.3.0, exhibits a vulnerability that allows an attacker to execute Server-Side Template Injection (SSTI) through the exploitation of malformed data sent to the metacontainers controller. This flaw can potentially lead to Remote Code Execution, compromising the integrity and security of affected systems. Users are strongly recommended to upgrade to the latest version to mitigate this risk.

References

https://github.com/nystudio107/craft-seomatic/blob/v3/CHA...
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https://github.com/giany/CVE/blob/master/CVE-2020-9757.txt
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https://github.com/nystudio107/craft-seomatic/commit/65ab...
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EPSS Score

93% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.