Skip to main content
← All vulnerabilities
CVE-2021-32808GHSA-6226-H7FF-CH6C

Cross-site scripting in ckeditor via abuse of undo functionality

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 4.16.2
None on Exploit-DB, Metasploit or GitHub

Summary

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.

Timeline

  1. CVE published
  2. Record last updated

Affected versions

  • ckeditor ckeditor4

    From 4.13.0 · fixed in 4.16.2

  • ckeditor4npm

    From 4.13.0 · fixed in 4.16.2

References 7

GitHub · ckeditor/ckeditor4

lists.fedoraproject.org

oracle.com