GHSA-rgx6-rjj4-c388MediumCVSS 6.1
ckeditor4 vulnerable to cross-site scripting
🔗 CVE IDs covered (1)
📋 Description
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 --!> is mishandled.
🎯 Affected products9
- npm/ckeditor4:>= 4.14.0, < 4.16.1
- composer/drupal/core:>= 7.0.0, < 7.80
- composer/drupal/core:>= 8.0.0, < 8.9.16
- composer/drupal/core:>= 9.0.0, < 9.0.14
- composer/drupal/core:>= 9.1.0, < 9.1.9
- composer/drupal/drupal:>= 7.0.0, < 7.80
- composer/drupal/drupal:>= 8.0.0, < 8.9.16
- composer/drupal/drupal:>= 9.0.0, < 9.0.14
- composer/drupal/drupal:>= 9.1.0, < 9.1.9
🔗 References (11)
- https://nvd.nist.gov/vuln/detail/CVE-2021-33829
- https://ckeditor.com/blog/ckeditor-4.16.1-with-accessibility-enhancements/#improvements-for-comments-in-html-parser
- https://www.npmjs.com/package/ckeditor4
- https://lists.fedoraproject.org/archives/list/[email protected]/message/NYA354LJP47KCVJMTUO77ZCX3ZK42G3T/
- https://lists.fedoraproject.org/archives/list/[email protected]/message/UVOYN2WKDPLKCNILIGEZM236ABQASLGW/
- https://lists.fedoraproject.org/archives/list/[email protected]/message/WAGNWHFIQAVCP537KFFS2A2GDG66J7XD/
- https://www.drupal.org/sa-core-2021-003
- https://lists.debian.org/debian-lts-announce/2021/11/msg00007.html
- https://github.com/FriendsOfPHP/security-advisories/blob/master/drupal/core/CVE-2021-33829.yaml
- https://github.com/FriendsOfPHP/security-advisories/blob/master/drupal/drupal/CVE-2021-33829.yaml
- https://github.com/advisories/GHSA-rgx6-rjj4-c388