CVE-2021-32809
Published: 12 August 2021
ckeditor is an open source WYSIWYG HTML editor with rich content support. A potential vulnerability has been discovered in CKEditor 4 [Clipboard](https://ckeditor.com/cke4/addon/clipboard) package. The vulnerability allowed to abuse paste functionality using malformed HTML, which could result in injecting arbitrary HTML into the editor. It affects all users using the CKEditor 4 plugins listed above at version >= 4.5.2. 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 |
bionic |
Released
(4.5.7+dfsg-2ubuntu0.18.04.1)
|
| focal |
Released
(4.12.1+dfsg-1ubuntu0.1)
|
|
| hirsute |
Ignored
(end of life)
|
|
| impish |
Released
(4.16.0+dfsg-2ubuntu0.1)
|
|
| jammy |
Not vulnerable
(4.16.2)
|
|
| trusty |
Does not exist
|
|
| upstream |
Not vulnerable
(4.16.2)
|
|
| xenial |
Released
(4.5.7+dfsg-2ubuntu0.16.04.1~esm1)
Available with Ubuntu Pro |
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 |