CVE-2021-37695
Execution of JavaScript code using malformed HTML in ckeditor
- State
- Published
- Severity
- 7.3 High
- Published
- Aug 12, 2021
- Updated
- Aug 4, 2024
- Reserved
- Jul 29, 2021
Description
ckeditor is an open source WYSIWYG HTML editor with rich content support. A potential vulnerability has been discovered in CKEditor 4 [Fake Objects](https://ckeditor.com/cke4/addon/fakeobjects) package. The vulnerability allowed to inject malformed Fake Objects HTML, which could result in executing JavaScript code. It affects all users using the CKEditor 4 plugins listed above at version < 4.16.2. The problem has been recognized and patched. The fix will be available in version 4.16.2.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 7.3 High | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N | 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-m94c-37g6-cjhc
- https://github.com/ckeditor/ckeditor4/commit/de3c001540715f9c3801aaa38a1917de46cfcf58
- FEDORA-2021-51457da891vendor-advisory
- FEDORA-2021-72176a63a8vendor-advisory
- FEDORA-2021-87578dca12vendor-advisory
- https://www.oracle.com/security-alerts/cpuoct2021.html
- [debian-lts-announce] 20211109 [SECURITY] [DLA 2813-1] ckeditor security updatemailing-list
- https://www.oracle.com/security-alerts/cpujan2022.html
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