CVE-2021-32808
Widget feature vulnerability allowing to execute JavaScript code using undo functionality
7.6
HIGH
CVSS 3.1
EPSS 1.4%
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.
How to fix CVE-2021-32808
To remediate CVE-2021-32808, upgrade the affected package to a fixed version below.
- —no fix listed
- —upgrade to 4.16.2 or later
Is CVE-2021-32808 being exploited?
Low — EPSS is 1.4%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0
- >= 4.13.0, < 4.16.2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.6 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N |