GHSA-23q7-59jj-2pj4

SEOmatic for CraftCMS allows Server-Side Template Injection

Source: GitHub Advisory Database (reviewed) High CVE-2020-12790

Packages

Ecosystem	Package	Affected	Fixed in
Packagist	nystudio107/craft-seomatic	< 3.2.49	3.2.49

Details

As written in the advisory (Markdown source, shown as plain text).

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.

References

External links from the advisory. They lead to third-party sites.

https://nvd.nist.gov/vuln/detail/CVE-2020-12790 advisory
https://github.com/nystudio107/craft-seomatic/commit/82f4a25b28fd622393da6592dc9e5ccee7fc5be3 web
https://github.com/nystudio107/craft-seomatic/commit/82f4a25b28fd622393da6592dc9e5ccee7fc5be3#diff-52fd042c50432133a00a8f840f4a6165 web
https://github.com/nystudio107/craft-seomatic package
https://github.com/nystudio107/craft-seomatic/blob/v3/CHANGELOG.md#3249---20200324 web
https://github.com/nystudio107/craft-seomatic/releases/tag/3.2.49 web
https://isec.pl/en/vulnerabilities/isec-0028-seomatic-ssti-23032020.txt web