CVE-2021-32808 HIGH

CVE-2021-32808: Cross-site scripting in ckeditor via abuse of undo functionality

Vendor Ckeditor
Product ckeditor4
Weakness CWE-79 · XSS
Published August 12, 2021
Last update August 3, 2024
View on NVD All CVEs

CVSS base score

7.6/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction Required
Confidentiality High
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

August 12, 2021 CVE published
August 3, 2024 Record updated