CKEditor: Clipboard plugin vulnerability CVE-2021-32808 

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

Security Issue ID

SECURITY-314

 

Affected Product Version(s)

13.4.17, 15.0.1, 14.7.7 and all previous versions

Severity 

medium/high

Description

CVE-2021-32808

A vulnerability has been discovered in the clipboard Widget plugin if used alongside the undo feature. The vulnerability allows a user to abuse undo functionality using malformed widget HTML, which could result in executing JavaScript code. It affects all users using the CKEditor 4 plugins listed above at version >= 4.13.0. The problem has been recognized and patched. The fix will be available in version 4.16.2.

Instructions

Update to the latest version.