CVE-2021-41164
Advanced Content Filter (ACF) vulnerability allowing to execute JavaScript code using malformed HTML
- State
- Published
- Severity
- 8.2 High
- Published
- Nov 17, 2021
- Updated
- Aug 4, 2024
- Reserved
- Sep 15, 2021
Description
CKEditor4 is an open source WYSIWYG HTML editor. In affected versions a vulnerability has been discovered in the Advanced Content Filter (ACF) module and may affect all plugins used by CKEditor 4. The vulnerability allowed to inject malformed HTML bypassing content sanitization, which could result in executing JavaScript code. It affects all users using the CKEditor 4 at version < 4.17.0. The problem has been recognized and patched. The fix will be available in version 4.17.0.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 8.2 High | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:L | GitHub_M |
Weaknesses
- CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Products
| Product | Versions |
|---|---|
ckeditor4ckeditor |
|
References
- https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-pvmx-g8h5-cprj
- https://github.com/ckeditor/ckeditor4/blob/major/CHANGES.md#ckeditor-417
- https://www.oracle.com/security-alerts/cpujan2022.html
- https://www.drupal.org/sa-core-2021-011
- https://www.oracle.com/security-alerts/cpuapr2022.html
- https://www.oracle.com/security-alerts/cpujul2022.html
- FEDORA-2022-b61dfd219bvendor-advisory
- FEDORA-2022-4c634ee466vendor-advisory
Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.