{"id":"CVE-2021-44618","details":"A Server-side Template Injection (SSTI) vulnerability exists in Nystudio107 Seomatic 3.4.12 in src/helpers/UrlHelper.php via the host header.","aliases":["GHSA-m3xv-x3ph-mq22"],"modified":"2026-05-15T12:04:25.878259172Z","published":"2022-03-11T16:15:07.523Z","database_specific":{},"references":[{"type":"ADVISORY","url":"https://github.com/nystudio107/craft-seomatic/releases/tag/3.4.12"},{"type":"FIX","url":"https://github.com/nystudio107/craft-seomatic/commit/0c5c0c0e0cb61000d12ec55ebf174745a5bf6469"}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}