{"id":"BIT-drupal-2021-33829","details":"A cross-site scripting (XSS) vulnerability in the HTML Data Processor in CKEditor 4 4.14.0 through 4.16.x before 4.16.1 allows remote attackers to inject executable JavaScript code through a crafted comment because --!\u003e is mishandled.","aliases":["CVE-2021-33829","DRUPAL-CORE-2021-003","GHSA-rgx6-rjj4-c388"],"modified":"2026-09-08T08:46:58.872027726Z","published":"2024-03-06T10:55:26.487Z","database_specific":{"severity":"Medium","cpes":["cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:*"]},"references":[{"type":"ADVISORY","url":"https://ckeditor.com/blog/ckeditor-4.16.1-with-accessibility-enhancements/#improvements-for-comments-in-html-parser"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2021/11/msg00007.html"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NYA354LJP47KCVJMTUO77ZCX3ZK42G3T/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UVOYN2WKDPLKCNILIGEZM236ABQASLGW/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WAGNWHFIQAVCP537KFFS2A2GDG66J7XD/"},{"type":"ADVISORY","url":"https://www.drupal.org/sa-core-2021-003"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-33829"}],"affected":[{"package":{"name":"drupal","ecosystem":"Bitnami","purl":"pkg:bitnami/drupal"},"ranges":[{"type":"SEMVER","events":[{"introduced":"8.9.0"},{"fixed":"8.9.16"},{"introduced":"9.0.0"},{"fixed":"9.0.14"},{"introduced":"9.1.0"},{"fixed":"9.1.9"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/drupal/BIT-drupal-2021-33829.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"}]}],"schema_version":"1.9.0"}