CKEditor: Clipboard plugin vulnerability CVE-2021-32809 

Issue date: 29-06-2022
Affects versions: 15.0, 14.7, 13.4

Security Issue ID

SECURITY-313

 

Affected Product Version(s)

13.4.17, 15.0.1, 14.7.7 and all previous versions


Severity 

medium/high


Description

CVE-2021-32809

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.

Instructions

Update to the latest version.