CVE-2020-12790

Public Exploit

Description

In the SEOmatic plugin before 3.2.49 for Craft CMS, helpers/DynamicMeta.php does not properly sanitize the URL. This leads to Server-Side Template Injection and credentials disclosure via a crafted Twig template after a semicolon.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.46%
Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory isec.pl
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/nystudio107/craft-seomatic/releases/tag/3.2.49 third party advisory release notes
https://github.com/nystudio107/craft-seomatic/blob/v3/CHANGELOG.md#3249---20200324 third party advisory release notes
https://isec.pl/en/vulnerabilities/isec-0028-seomatic-ssti-23032020.txt third party advisory exploit
https://github.com/nystudio107/craft-seomatic/commit/82f4a25b28fd622393da6592dc9e5ccee7fc5be3#diff-52fd042c50432133a00a8f840f4a6165 third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2020-12790?
CVE-2020-12790 has been scored as a high severity vulnerability.
How to fix CVE-2020-12790?
To fix CVE-2020-12790, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-12790 being actively exploited in the wild?
It is possible that CVE-2020-12790 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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