CVE-2020-9757: Critical severity Craft CMS vulnerability
The Seomatic component before 3.2.46 for Craft CMS allows Server-Side Template Injection and information disclosure via malformed data to the metacontainers controller.
Other sources
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.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
composer/nystudio107/craft-seomaticto a version that resolves this vulnerability.Fixed in 3.3.0
Event History
Frequently Asked Questions
What is CVE-2020-9757?
CVE-2020-9757 is a vulnerability in the Seomatic component before version 3.2.46 for Craft CMS that allows Server-Side Template Injection and information disclosure.
How severe is CVE-2020-9757?
CVE-2020-9757 has a severity rating of 9.8 out of 10, which is considered critical.
How does CVE-2020-9757 work?
CVE-2020-9757 allows an attacker to inject malicious code into server-side templates and can lead to unauthorized access and information disclosure.
Is there a fix for CVE-2020-9757?
Yes, updating to version 3.3.0 or later of the Seomatic component for Craft CMS remedies the CVE-2020-9757 vulnerability.
Where can I find more information about CVE-2020-9757?
You can find more information about CVE-2020-9757 at the official NIST vulnerability database and the GitHub commits for the Craft CMS Seomatic component.