vulnerability
Arch Linux: Cross-site scripting (CVE-2021-33829)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 4 | (AV:N/AC:M/Au:N/C:N/I:P/A:N) | Jun 9, 2021 | Jul 11, 2025 | Nov 27, 2025 |
Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:P/A:N)
Published
Jun 9, 2021
Added
Jul 11, 2025
Modified
Nov 27, 2025
Description
Drupal core uses the third-party CKEditor library. This library has an error in parsing HTML that could lead to a cross-site scripting (XSS) attack. CKEditor 4.16.1 and later, as bundled with Drupal 9.1.9, include the fix.
Solution
arch-linux-upgrade-latest
References
- CVE-2021-33829
- https://attackerkb.com/topics/CVE-2021-33829
- URL-https://ckeditor.com/blog/ckeditor-4.16.1-with-accessibility-enhancements/#improvements-for-comments-in-html-parser
- URL-https://lists.debian.org/debian-lts-announce/2021/11/msg00007.html
- URL-https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NYA354LJP47KCVJMTUO77ZCX3ZK42G3T/
- URL-https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UVOYN2WKDPLKCNILIGEZM236ABQASLGW/
- URL-https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WAGNWHFIQAVCP537KFFS2A2GDG66J7XD/
- URL-https://security.archlinux.org/ASA-202106-35
- URL-https://www.drupal.org/sa-core-2021-003
- CWE-79
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