GHSA-m3xv-x3ph-mq22

Server-side Template Injection in nystudio107/craft-seomatic

Source: GitHub Advisory Database (reviewed) High CVE-2021-44618

Packages

Ecosystem	Package	Affected	Fixed in
Packagist	nystudio107/craft-seomatic	< 3.4.12	3.4.12

Details

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

A Server-side Template Injection (SSTI) vulnerability exists in Nystudio107 Seomatic prior to 3.4.12 in src/helpers/UrlHelper.php via the host header.

References

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

https://nvd.nist.gov/vuln/detail/CVE-2021-44618 advisory
https://github.com/nystudio107/craft-seomatic/commit/0c5c0c0e0cb61000d12ec55ebf174745a5bf6469 web
https://github.com/nystudio107/craft-seomatic package
https://github.com/nystudio107/craft-seomatic/releases/tag/3.4.12 web