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CVE-2021-32808

Description

ckeditor is an open source WYSIWYG HTML editor with rich content support. 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.

POC

Reference

- https://www.oracle.com/security-alerts/cpujan2022.html

- https://www.oracle.com/security-alerts/cpuoct2021.html

Github

No PoCs found on GitHub currently.