{"id":"CVE-2026-45697","aliases":["EUVD-2026-33421","GHSA-x7m9-mwc2-g6w2"],"status":"published","title":"Formie: Pre-authenticated server-side template injection in Hidden fields","description":"Formie is a Craft CMS plugin for creating forms. Prior to 2.2.20 and 3.1.24, unauthenticated users could submit crafted values into Hidden fields (with Default value → Custom) that were evaluated as Twig during submission handling, which could lead to serious compromise of the Craft site (depending on template/sandbox behavior). This vulnerability is fixed in 2.2.20 and 3.1.24.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00475,"percentile":0.41354,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-1336","CWE-693","CWE-94"],"published":"2026-05-18T17:23:39Z","modified":"2026-10-28T02:30:59Z","fixes":[{"ecosystem":"Packagist","package":"verbb/formie","fixed_in":["3.1.24","2.2.20"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Packagist","package":"verbb/formie","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.0.0-beta.1"},{"fixed":"3.1.24"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"verbb/formie","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.2.20"}]}]},{"source":"osv","ecosystem":"Packagist","package":"verbb/formie","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.0.0-beta.1"},{"fixed":"3.1.24"}]}],"versions":["3.0.0","3.0.0-beta.1","3.0.0-beta.10","3.0.0-beta.11","3.0.0-beta.12","3.0.0-beta.13","3.0.0-beta.14","3.0.0-beta.15","3.0.0-beta.16","3.0.0-beta.17","3.0.0-beta.18","3.0.0-beta.19","3.0.0-beta.2","3.0.0-beta.20","3.0.0-beta.3","3.0.0-beta.4","3.0.0-beta.5","3.0.0-beta.6","3.0.0-beta.7","3.0.0-beta.8","3.0.0-beta.9","3.0.1","3.0.10","3.0.11","3.0.12","3.0.13","3.0.14","3.0.15","3.0.16","3.0.17","3.0.18","3.0.19","3.0.2","3.0.20","3.0.21","3.0.22","3.0.23","3.0.24","3.0.25","3.0.26","3.0.27","3.0.28","3.0.29","3.0.3","3.0.30","3.0.31","3.0.32","3.0.4","3.0.5","3.0.6","3.0.7","3.0.8","3.0.9","3.1.0","3.1.1","3.1.10","3.1.11","3.1.12","3.1.13","3.1.14","3.1.15","3.1.16","3.1.17","3.1.18","3.1.19","3.1.2","3.1.20","3.1.21","3.1.22","3.1.23","3.1.3","3.1.4","3.1.5","3.1.6","3.1.7","3.1.8","3.1.9"]},{"source":"osv","ecosystem":"Packagist","package":"verbb/formie","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.2.20"}]}],"versions":["1.0.0","1.0.1","1.0.2","1.0.3","1.0.4","1.0.5","1.0.6","1.0.7","1.0.8","1.0.9","1.0.9.1","1.1.0","1.1.1","1.1.1.1","1.1.2","1.1.3","1.1.4","1.1.4.1","1.1.5","1.1.6","1.1.7","1.1.8","1.2.0","1.2.1","1.2.10","1.2.11","1.2.12","1.2.13","1.2.14","1.2.15","1.2.16","1.2.17","1.2.18","1.2.19","1.2.2","1.2.20","1.2.21","1.2.22","1.2.23","1.2.23.1","1.2.24","1.2.25","1.2.26","1.2.27","1.2.28","1.2.3","1.2.4","1.2.5","1.2.6","1.2.7","1.2.7.1","1.2.8","1.2.9","1.3.0","1.3.1","1.3.10","1.3.11","1.3.12","1.3.13","1.3.14","1.3.15","1.3.16","1.3.16.1","1.3.17","1.3.18","1.3.19","1.3.19.1","1.3.2","1.3.20","1.3.21","1.3.22","1.3.23","1.3.24","1.3.25","1.3.26","1.3.27","1.3.3","1.3.4","1.3.5","1.3.6","1.3.7","1.3.8","1.3.9","1.4.0","1.4.0.1","1.4.1","1.4.10","1.4.11","1.4.12","1.4.13","1.4.14","1.4.15","1.4.16","1.4.17","1.4.18","1.4.19","1.4.2","1.4.20","1.4.21","1.4.21.1","1.4.22","1.4.23","1.4.24","1.4.25","1.4.26","1.4.27","1.4.28","1.4.3","1.4.4","1.4.5","1.4.6","1.4.7","1.4.8","1.4.9","1.5.0","1.5.1","1.5.10","1.5.11","1.5.12","1.5.13","1.5.13.1","1.5.13.2","1.5.14","1.5.15","1.5.16","1.5.17","1.5.18","1.5.19","1.5.2","1.5.3","1.5.4","1.5.5","1.5.6","1.5.7","1.5.8","1.5.9","1.6.0","1.6.1","1.6.10","1.6.11","1.6.12","1.6.13","1.6.14","1.6.15","1.6.16","1.6.17","1.6.18","1.6.19","1.6.2","1.6.20","1.6.21","1.6.22","1.6.23","1.6.24","1.6.25","1.6.26","1.6.27","1.6.28","1.6.29","1.6.3","1.6.30","1.6.31","1.6.32","1.6.33","1.6.34","1.6.35","1.6.36","1.6.36.1","1.6.37","1.6.38","1.6.39","1.6.4","1.6.40","1.6.41","1.6.42","1.6.43","1.6.44","1.6.45","1.6.46","1.6.47","1.6.5","1.6.6","1.6.7","1.6.8","1.6.9","2.0.0","2.0.0-beta.1","2.0.0-beta.10","2.0.0-beta.11","2.0.0-beta.12","2.0.0-beta.13","2.0.0-beta.14","2.0.0-beta.15","2.0.0-beta.16","2.0.0-beta.2","2.0.0-beta.3","2.0.0-beta.4","2.0.0-beta.5","2.0.0-beta.6","2.0.0-beta.7","2.0.0-beta.8","2.0.0-beta.9","2.0.1","2.0.10","2.0.11","2.0.12","2.0.13","2.0.14","2.0.15","2.0.16","2.0.17","2.0.18","2.0.19","2.0.2","2.0.20","2.0.21","2.0.22","2.0.23","2.0.23.1","2.0.24","2.0.25","2.0.25.1","2.0.26","2.0.27","2.0.27.1","2.0.28","2.0.29","2.0.3","2.0.30","2.0.31","2.0.32","2.0.33","2.0.34","2.0.34.1","2.0.35","2.0.36","2.0.37","2.0.38","2.0.39","2.0.4","2.0.40","2.0.41","2.0.42","2.0.43","2.0.44","2.0.44.1","2.0.45","2.0.5","2.0.6","2.0.7","2.0.8","2.0.9","2.1.0","2.1.1","2.1.10","2.1.11","2.1.12","2.1.13","2.1.14","2.1.15","2.1.16","2.1.17","2.1.18","2.1.19","2.1.2","2.1.20","2.1.21","2.1.22","2.1.23","2.1.24","2.1.25","2.1.26","2.1.27","2.1.28","2.1.29","2.1.3","2.1.30","2.1.31","2.1.32","2.1.33","2.1.34","2.1.35","2.1.36","2.1.37","2.1.38","2.1.39","2.1.4","2.1.40","2.1.41","2.1.42","2.1.43","2.1.44","2.1.45","2.1.46","2.1.47","2.1.48","2.1.49","2.1.5","2.1.50","2.1.51","2.1.52","2.1.6","2.1.7","2.1.8","2.1.9","2.2.0","2.2.1","2.2.10","2.2.11","2.2.12","2.2.13","2.2.14","2.2.15","2.2.16","2.2.17","2.2.18","2.2.19","2.2.2","2.2.3","2.2.4","2.2.5","2.2.6","2.2.7","2.2.8","2.2.9"]}],"products":[{"vendor":"verb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Pre-authenticated server-side template injection in Hidden fields","description":"Formie is a Craft CMS plugin for creating forms. Prior to 2.2.20 and 3.1.24, unauthenticated users could submit crafted values into Hidden fields (with Default value → Custom) that were evaluated as Twig during submission handling, which could lead to serious compromise of the Craft site (depending on template/sandbox behavior). This vulnerability is fixed in 2.2.20 and 3.1.24.","status":"published","published":"2026-05-29T19:01:49.22Z","modified":"2026-06-01T15:18:51.317Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-94","CWE-693","CWE-1336"],"updated_at":"2026-11-02T13:46:43.922571Z"}],"euvd":[{"id":"EUVD-2026-33421","description":"Formie is a Craft CMS plugin for creating forms. Prior to 2.2.20 and 3.1.24, unauthenticated users could submit crafted values into Hidden fields (with Default value → Custom) that were evaluated as Twig during submission handling, which could lead to serious compromise of the Craft site (depending on template/sandbox behavior). This vulnerability is fixed in 2.2.20 and 3.1.24.","status":"published","published":"2026-05-29T19:01:49Z","modified":"2026-06-01T15:18:51Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T18:20:58.316953Z"}],"ghsa":[{"id":"GHSA-x7m9-mwc2-g6w2","title":"Formie: Pre-authenticated server-side template injection in Hidden fields","description":"### Impact\n- Unauthenticated users could submit crafted values into Hidden fields (with Default value → Custom) that were evaluated as Twig during submission handling, which could lead to serious compromise of the Craft site (depending on template/sandbox behavior).\n- Sites with public Formie forms that include at least one Hidden field with that configuration.\n- No CP login for the reported chain.\n\n### Patches\n- [2.2.20](https://github.com/verbb/formie/releases/tag/2.2.20), [3.1.24](https://github.com/verbb/formie/releases/tag/3.1.24)\n\n### Workarounds\n- Temporarily remove Hidden fields from public forms or switch Hidden default away from Custom where feasible\n- Otherwise, upgrade to patched versions","status":"published","published":"2026-05-18T17:23:39Z","modified":"2026-06-09T10:32:40Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-94","CWE-693","CWE-1336"],"updated_at":"2026-11-02T14:40:23.739691Z"}],"nvd":[{"id":"CVE-2026-45697","description":"Formie is a Craft CMS plugin for creating forms. Prior to 2.2.20 and 3.1.24, unauthenticated users could submit crafted values into Hidden fields (with Default value → Custom) that were evaluated as Twig during submission handling, which could lead to serious compromise of the Craft site (depending on template/sandbox behavior). This vulnerability is fixed in 2.2.20 and 3.1.24.","status":"published","published":"2026-05-29T20:16:27.393Z","modified":"2026-07-22T06:10:00.17Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-94","CWE-693","CWE-1336"],"updated_at":"2026-11-02T14:12:21.635958Z"}],"osv":[{"id":"CVE-2026-45697","title":"Formie: Pre-authenticated server-side template injection in Hidden fields","description":"Formie is a Craft CMS plugin for creating forms. Prior to 2.2.20 and 3.1.24, unauthenticated users could submit crafted values into Hidden fields (with Default value → Custom) that were evaluated as Twig during submission handling, which could lead to serious compromise of the Craft site (depending on template/sandbox behavior). This vulnerability is fixed in 2.2.20 and 3.1.24.","status":"published","published":"2026-05-29T19:01:49.22Z","modified":"2026-10-28T02:30:59.396336062Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-1336","CWE-693","CWE-94"],"updated_at":"2026-11-02T15:45:05.525666Z"},{"id":"GHSA-x7m9-mwc2-g6w2","title":"Formie: Pre-authenticated server-side template injection in Hidden fields","description":"### Impact\n- Unauthenticated users could submit crafted values into Hidden fields (with Default value → Custom) that were evaluated as Twig during submission handling, which could lead to serious compromise of the Craft site (depending on template/sandbox behavior).\n- Sites with public Formie forms that include at least one Hidden field with that configuration.\n- No CP login for the reported chain.\n\n### Patches\n- [2.2.20](https://github.com/verbb/formie/releases/tag/2.2.20), [3.1.24](https://github.com/verbb/formie/releases/tag/3.1.24)\n\n### Workarounds\n- Temporarily remove Hidden fields from public forms or switch Hidden default away from Custom where feasible\n- Otherwise, upgrade to patched versions","status":"published","published":"2026-05-18T17:23:39Z","modified":"2026-09-10T03:50:48.034221615Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-1336","CWE-693","CWE-94"],"updated_at":"2026-11-02T15:46:59.484835Z"}]}}