{"id":"GHSA-r6mv-ppjc-4hgr","summary":"PHP file inclusion via insert tags","details":"### Impact\n\nIt is possible for untrusted users to load arbitrary PHP files via insert tags.\n\nInstallations are only affected if there are untrusted back end users.\n\n### Patches\n\nUpdate to Contao 4.4.56, 4.9.18 or 4.11.7.\n\n### Workarounds\n\nDisable the login for untrusted back end users.\n\n### References\n\nhttps://contao.org/en/security-advisories/php-file-inclusion-via-insert-tags\n\n### For more information\n\nIf you have any questions or comments about this advisory, open an issue in [contao/contao](https://github.com/contao/contao/issues/new/choose).","aliases":["CVE-2021-37626"],"modified":"2026-07-08T06:00:07.052934358Z","published":"2021-08-23T19:41:04Z","database_specific":{"cwe_ids":["CWE-94"],"severity":"MODERATE","github_reviewed":true,"github_reviewed_at":"2021-08-23T16:51:34Z","nvd_published_at":"2021-08-11T23:15:00Z"},"references":[{"type":"WEB","url":"https://github.com/contao/contao/security/advisories/GHSA-r6mv-ppjc-4hgr"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-37626"},{"type":"WEB","url":"https://contao.org/en/security-advisories/php-file-inclusion-via-insert-tags.html"},{"type":"WEB","url":"https://github.com/FriendsOfPHP/security-advisories/blob/master/contao/contao/CVE-2021-37626.yaml"},{"type":"WEB","url":"https://github.com/FriendsOfPHP/security-advisories/blob/master/contao/core-bundle/CVE-2021-37626.yaml"},{"type":"PACKAGE","url":"https://github.com/contao/contao"}],"affected":[{"package":{"name":"contao/core-bundle","ecosystem":"Packagist","purl":"pkg:composer/contao/core-bundle"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.0.0"},{"fixed":"4.4.56"}]}],"versions":["4.0.0","4.0.1","4.0.2","4.0.3","4.0.4","4.1.0","4.1.0-RC1","4.1.0-beta1","4.1.1","4.1.2","4.1.3","4.2.0","4.2.0-RC1","4.2.0-beta1","4.2.1","4.2.2","4.2.3","4.2.4","4.2.5","4.3.0","4.3.0-RC1","4.3.1","4.3.10","4.3.11","4.3.2","4.3.3","4.3.4","4.3.5","4.3.6","4.3.7","4.3.8","4.3.9","4.4.0","4.4.0-RC1","4.4.0-RC2","4.4.0-beta1","4.4.1","4.4.10","4.4.11","4.4.12","4.4.13","4.4.14","4.4.15","4.4.16","4.4.17","4.4.18","4.4.19","4.4.2","4.4.20","4.4.21","4.4.22","4.4.23","4.4.24","4.4.25","4.4.26","4.4.27","4.4.28","4.4.29","4.4.3","4.4.30","4.4.31","4.4.32","4.4.33","4.4.34","4.4.35","4.4.36","4.4.37","4.4.38","4.4.39","4.4.4","4.4.40","4.4.41","4.4.42","4.4.43","4.4.44","4.4.45","4.4.46","4.4.47","4.4.48","4.4.49","4.4.5","4.4.50","4.4.51","4.4.52","4.4.53","4.4.54","4.4.55","4.4.6","4.4.7","4.4.8","4.4.9"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2021/08/GHSA-r6mv-ppjc-4hgr/GHSA-r6mv-ppjc-4hgr.json"}},{"package":{"name":"contao/core-bundle","ecosystem":"Packagist","purl":"pkg:composer/contao/core-bundle"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.5.0"},{"fixed":"4.9.18"}]}],"versions":["4.5.0","4.5.1","4.5.10","4.5.11","4.5.12","4.5.13","4.5.14","4.5.2","4.5.3","4.5.4","4.5.5","4.5.6","4.5.7","4.5.8","4.5.9","4.6.0","4.6.0-RC1","4.6.0-RC2","4.6.0-RC3","4.6.1","4.6.10","4.6.11","4.6.12","4.6.13","4.6.14","4.6.2","4.6.3","4.6.4","4.6.5","4.6.6","4.6.7","4.6.8","4.6.9","4.7.0","4.7.0-RC1","4.7.0-RC2","4.7.0-RC3","4.7.0-RC4","4.7.1","4.7.2","4.7.3","4.7.4","4.7.5","4.7.6","4.7.7","4.8.0","4.8.0-RC1","4.8.0-RC2","4.8.1","4.8.2","4.8.3","4.8.4","4.8.5","4.8.6","4.8.7","4.8.8","4.9.0","4.9.0-RC1","4.9.0-RC2","4.9.1","4.9.10","4.9.11","4.9.12","4.9.13","4.9.14","4.9.15","4.9.16","4.9.17","4.9.2","4.9.3","4.9.4","4.9.5","4.9.6","4.9.7","4.9.8","4.9.9"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2021/08/GHSA-r6mv-ppjc-4hgr/GHSA-r6mv-ppjc-4hgr.json"}},{"package":{"name":"contao/core-bundle","ecosystem":"Packagist","purl":"pkg:composer/contao/core-bundle"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.10.0"},{"fixed":"4.11.7"}]}],"versions":["4.10.0","4.10.1","4.10.2","4.10.3","4.10.4","4.10.5","4.10.6","4.10.7","4.11.0","4.11.0-RC1","4.11.0-RC2","4.11.1","4.11.2","4.11.3","4.11.4","4.11.5","4.11.6"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2021/08/GHSA-r6mv-ppjc-4hgr/GHSA-r6mv-ppjc-4hgr.json"}},{"package":{"name":"contao/contao","ecosystem":"Packagist","purl":"pkg:composer/contao/contao"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.0.0"},{"fixed":"4.4.56"}]}],"versions":["4.4.22","4.4.23","4.4.24","4.4.25","4.4.26","4.4.27","4.4.28","4.4.29","4.4.30","4.4.31","4.4.32","4.4.33","4.4.34","4.4.35","4.4.36","4.4.37","4.4.38","4.4.39","4.4.40","4.4.41","4.4.42","4.4.43","4.4.44","4.4.45","4.4.46","4.4.47","4.4.48","4.4.49","4.4.50","4.4.51","4.4.52","4.4.53","4.4.54","4.4.55"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2021/08/GHSA-r6mv-ppjc-4hgr/GHSA-r6mv-ppjc-4hgr.json"}},{"package":{"name":"contao/contao","ecosystem":"Packagist","purl":"pkg:composer/contao/contao"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.5.0"},{"fixed":"4.9.18"}]}],"versions":["4.5.13","4.5.14","4.6.0","4.6.1","4.6.10","4.6.11","4.6.12","4.6.13","4.6.14","4.6.2","4.6.3","4.6.4","4.6.5","4.6.6","4.6.7","4.6.8","4.6.9","4.7.0","4.7.0-RC1","4.7.0-RC2","4.7.0-RC3","4.7.0-RC4","4.7.1","4.7.2","4.7.3","4.7.4","4.7.5","4.7.6","4.7.7","4.8.0","4.8.0-RC1","4.8.0-RC2","4.8.1","4.8.2","4.8.3","4.8.4","4.8.5","4.8.6","4.8.7","4.8.8","4.9.0","4.9.0-RC1","4.9.0-RC2","4.9.1","4.9.10","4.9.11","4.9.12","4.9.13","4.9.14","4.9.15","4.9.16","4.9.17","4.9.2","4.9.3","4.9.4","4.9.5","4.9.6","4.9.7","4.9.8","4.9.9"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2021/08/GHSA-r6mv-ppjc-4hgr/GHSA-r6mv-ppjc-4hgr.json"}},{"package":{"name":"contao/contao","ecosystem":"Packagist","purl":"pkg:composer/contao/contao"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.10.0"},{"fixed":"4.11.7"}]}],"versions":["4.10.0","4.10.1","4.10.2","4.10.3","4.10.4","4.10.5","4.10.6","4.10.7","4.11.0","4.11.0-RC1","4.11.0-RC2","4.11.1","4.11.2","4.11.3","4.11.4","4.11.5","4.11.6"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2021/08/GHSA-r6mv-ppjc-4hgr/GHSA-r6mv-ppjc-4hgr.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:L"}]}