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. Reference: https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-6226-h7ff-ch6c
Created ckeditor tracking bugs for this issue: Affects: epel-7 [bug 1993484] Affects: fedora-all [bug 1993483]
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.