{"id":"CVE-2020-13663","aliases":["BIT-drupal-2020-13663","DRUPAL-CORE-2020-004","GHSA-m648-hpf8-qcjw"],"url":"https://o3.security/vulnerability/CVE-2020-13663","summary":"Drupal Core Cross-Site Request Forgery (CSRF) vulnerability","details":"Cross Site Request Forgery vulnerability in Drupal Core Form API does not properly handle certain form input from cross-site requests, which can lead to other vulnerabilities.","published":"2021-06-11T16:15:08.773Z","modified":"2026-07-08T16:26:49.875450Z","cvss":{"score":8.8,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},"epss":{"score":0.00695,"percentile":0.51366,"asOf":"2026-09-17"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Packagist","name":"drupal/core","fixedVersion":"8.9.1"},{"ecosystem":"Packagist","name":"drupal/core","fixedVersion":"9.0.1"},{"ecosystem":"Packagist","name":"drupal/core","fixedVersion":"7.72"},{"ecosystem":"Packagist","name":"drupal/core","fixedVersion":"8.8.8"},{"ecosystem":"Packagist","name":"drupal/drupal","fixedVersion":"7.72"},{"ecosystem":"Packagist","name":"drupal/drupal","fixedVersion":"8.8.8"},{"ecosystem":"Packagist","name":"drupal/drupal","fixedVersion":"8.9.1"},{"ecosystem":"Packagist","name":"drupal/drupal","fixedVersion":"9.0.1"}],"fix":{"url":"https://github.com/drupal/core/commit/5f3c4d80fd77df0cfa87722b446db54040d55693","label":"drupal/core@5f3c4d8"},"references":[{"type":"ADVISORY","url":"https://www.drupal.org/sa-core-2020-004"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2020-13663"},{"type":"WEB","url":"https://github.com/drupal/core/commit/5f3c4d80fd77df0cfa87722b446db54040d55693"},{"type":"WEB","url":"https://github.com/drupal/core/commit/bc3235dcb5570bbda62ef9547e7604ee060b72c6"},{"type":"WEB","url":"https://github.com/drupal/core/commit/faf3243c4ce03bbaab386af2b272b363fd0dfddb"},{"type":"WEB","url":"https://github.com/FriendsOfPHP/security-advisories/blob/master/drupal/core/CVE-2020-13663.yaml"},{"type":"WEB","url":"https://github.com/FriendsOfPHP/security-advisories/blob/master/drupal/drupal/CVE-2020-13663.yaml"},{"type":"PACKAGE","url":"https://github.com/drupal/core"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T16:26:49.875450Z"}}