{"id":"CVE-2020-13668","aliases":["BIT-drupal-2020-13668","GHSA-m6q5-wv4x-fv6h"],"url":"https://o3.security/vulnerability/CVE-2020-13668","summary":"Cross-site Scripting in Drupal Core","details":"Access Bypass vulnerability in Drupal Core allows for an attacker to leverage the way that HTML is rendered for affected forms in order to exploit the vulnerability. This issue affects: Drupal Core 8.8.x versions prior to 8.8.10; 8.9.x versions prior to 8.9.6; 9.0.x versions prior to 9.0.6.","published":"2022-02-11T16:15:08.020Z","modified":"2026-07-08T23:34:25.463684Z","cvss":{"score":6.1,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},"epss":{"score":0.00681,"percentile":0.49402,"asOf":"2026-08-23"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Packagist","name":"drupal/core","fixedVersion":"8.8.10"},{"ecosystem":"Packagist","name":"drupal/core","fixedVersion":"8.9.6"},{"ecosystem":"Packagist","name":"drupal/core","fixedVersion":"9.0.6"},{"ecosystem":"Packagist","name":"drupal/drupal","fixedVersion":"8.8.10"},{"ecosystem":"Packagist","name":"drupal/drupal","fixedVersion":"8.9.6"},{"ecosystem":"Packagist","name":"drupal/drupal","fixedVersion":"9.0.6"}],"fix":{"url":"https://github.com/drupal/core/commit/3184fa4b2f3b65b44884b5e858cdc7794d34b4c8","label":"drupal/core@3184fa4"},"references":[{"type":"FIX","url":"https://www.drupal.org/sa-core-2020-009"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2020-13668"},{"type":"WEB","url":"https://github.com/drupal/core/commit/3184fa4b2f3b65b44884b5e858cdc7794d34b4c8"},{"type":"WEB","url":"https://github.com/drupal/core/commit/58330ba58d1ac6f1a0a549e8dbde8a3e094bf4fb"},{"type":"WEB","url":"https://github.com/drupal/core/commit/d4be028d81fb6b067513d788b60c3e6fc8fbd0a2"},{"type":"WEB","url":"https://github.com/FriendsOfPHP/security-advisories/blob/master/drupal/core/CVE-2020-13668.yaml"},{"type":"WEB","url":"https://github.com/FriendsOfPHP/security-advisories/blob/master/drupal/drupal/CVE-2020-13668.yaml"},{"type":"PACKAGE","url":"https://github.com/drupal/core"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T23:34:25.463684Z"}}