CVE-2021-44618: Improper Control of Generation of Code ('Code Injection')

March 11, 2022 (updated March 18, 2022)

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

References

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

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