CVE-2021-32809
Publication date 12 August 2021
Last updated 24 July 2024
Ubuntu priority
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.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| ckeditor | 22.04 LTS jammy |
Not affected
|
| 20.04 LTS focal |
Fixed 4.12.1+dfsg-1ubuntu0.1
|
|
| 18.04 LTS bionic |
Fixed 4.5.7+dfsg-2ubuntu0.18.04.1
|
|
| 16.04 LTS xenial |
Fixed 4.5.7+dfsg-2ubuntu0.16.04.1~esm1
|
|
| 14.04 LTS trusty | Not in release |
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Get Ubuntu ProSeverity score breakdown
| Parameter | Value |
|---|---|
| Base score |
5.4 · Medium
|
| 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 |
References
Related Ubuntu Security Notices (USN)
- USN-5340-1
- CKEditor vulnerabilities
- 22 March 2022
- USN-5340-2
- CKEditor vulnerabilities
- 23 March 2022