{"id":"CVE-2021-37627","aliases":["GHSA-hq5m-mqmx-fw6m"],"url":"https://o3.security/vulnerability/CVE-2021-37627","summary":"Privilege escalation via form generator","details":"### Impact\n\nIt is possible for untrusted users to gain administrator rights with the form generator.\n\nInstallations are only affected if there are untrusted back end users with access to the form generator.\n\n### Patches\n\nUpdate to Contao 4.4.56, 4.9.18 or 4.11.7.\n\n### Workarounds\n\nDisable the form generator or disable the login for untrusted back end users.\n\n### References\n\nhttps://contao.org/en/security-advisories/privilege-escalation-with-the-form-generator\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).","published":"2021-08-11T23:15:07.847Z","modified":"2026-08-07T17:28:09.808152Z","cvss":{"score":7.2,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[{"ecosystem":"Packagist","name":"contao/core-bundle","fixedVersion":"4.4.56"},{"ecosystem":"Packagist","name":"contao/core-bundle","fixedVersion":"4.9.18"},{"ecosystem":"Packagist","name":"contao/core-bundle","fixedVersion":"4.11.7"},{"ecosystem":"Packagist","name":"contao/contao","fixedVersion":"4.4.56"},{"ecosystem":"Packagist","name":"contao/contao","fixedVersion":"4.9.18"},{"ecosystem":"Packagist","name":"contao/contao","fixedVersion":"4.11.7"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://contao.org/en/security-advisories/privilege-escalation-with-the-form-generator.html"},{"type":"ADVISORY","url":"https://github.com/contao/contao/security/advisories/GHSA-hq5m-mqmx-fw6m"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-37627"},{"type":"WEB","url":"https://github.com/FriendsOfPHP/security-advisories/blob/master/contao/contao/CVE-2021-37627.yaml"},{"type":"WEB","url":"https://github.com/FriendsOfPHP/security-advisories/blob/master/contao/core-bundle/CVE-2021-37627.yaml"},{"type":"PACKAGE","url":"https://github.com/contao/contao"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-07T17:28:09.808152Z"}}