ckeditor/ckeditor4 · Security
ckeditor4 vulnerable to cross-site scripting
- GHSA ID
- GHSA-rgx6-rjj4-c388
- CVE ID
- CVE-2021-33829
- Severity
- medium
- Published
- Updated
- CVSS
- 6.1 · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- CVSS v3
- 6.1 · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
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.
CWEs
- CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
References
- 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 ↗