CVE-2020-12790

moderate-risk
Published 2020-05-11

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.

Do I need to act?

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0.46% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Nystudio107

References (8)

Release Notes https://github.com/nystudio107/craft-seomatic/blob/v3/CHANGELOG.md#3249---202003...
Patch https://github.com/nystudio107/craft-seomatic/commit/82f4a25b28fd622393da6592dc9...
Release Notes https://github.com/nystudio107/craft-seomatic/releases/tag/3.2.49
Exploit https://isec.pl/en/vulnerabilities/isec-0028-seomatic-ssti-23032020.txt
Release Notes https://github.com/nystudio107/craft-seomatic/blob/v3/CHANGELOG.md#3249---202003...
Patch https://github.com/nystudio107/craft-seomatic/commit/82f4a25b28fd622393da6592dc9...
Release Notes https://github.com/nystudio107/craft-seomatic/releases/tag/3.2.49
Exploit https://isec.pl/en/vulnerabilities/isec-0028-seomatic-ssti-23032020.txt
33
/ 100
moderate-risk
Severity 26/34 · High
Exploitability 2/34 · Minimal
Exposure 5/34 · Minimal