CVE-2021-32809

Arbitrary HTML injection vulnerability in ckeditor

State: Published
Severity: 4.6 Medium
Published: Aug 12, 2021
Updated: Aug 3, 2024
Reserved: May 12, 2021

Description

ckeditor is an open source WYSIWYG HTML editor with rich content support. A potential vulnerability has been discovered in CKEditor 4 [Clipboard](https://ckeditor.com/cke4/addon/clipboard) package. The vulnerability allowed to abuse paste functionality using malformed HTML, which could result in injecting arbitrary HTML into the editor. It affects all users using the CKEditor 4 plugins listed above at version >= 4.5.2. The problem has been recognized and patched. The fix will be available in version 4.16.2.

Scores

CVSS	Score	Vector	Source
3.1	4.6 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N	GitHub_M

Weaknesses

CWE-94 Improper Control of Generation of Code ('Code Injection')

Affected Products

Product	Versions
ckeditor4ckeditor	>= 4.5.2, < 4.16.2Affected

References

https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-7889-rm5j-hpgg
FEDORA-2021-51457da891vendor-advisory
FEDORA-2021-72176a63a8vendor-advisory
FEDORA-2021-87578dca12vendor-advisory
https://www.oracle.com/security-alerts/cpuoct2021.html
https://www.oracle.com/security-alerts/cpujan2022.html

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