CVE-2021-32808
Published: 12 August 2021
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.
Priority
Status
Package | Release | Status |
---|---|---|
ckeditor Launchpad, Ubuntu, Debian |
jammy |
Not vulnerable
(4.16.2+dfsg-1)
|
trusty |
Does not exist
|
|
upstream |
Not vulnerable
(4.16.2)
|
|
impish |
Released
(4.16.0+dfsg-2ubuntu0.1)
|
|
bionic |
Not vulnerable
(code not present)
|
|
focal |
Not vulnerable
(code not present)
|
|
hirsute |
Ignored
(end of life)
|
|
xenial |
Not vulnerable
(code not present)
|
Severity score breakdown
Parameter | Value |
---|---|
Base score | 5.4 |
Attack vector | Network |
Attack complexity | Low |
Privileges required | Low |
User interaction | Required |
Scope | Changed |
Confidentiality | Low |
Integrity impact | Low |
Availability impact | None |
Vector | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |