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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

Medium

Cvss 3 Severity Score

5.4

Score breakdown

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