CVE catalog
CVE-2021-32809
ckeditor: CVE-2021-32809
- Severity
- Medium
- Published
- Source
- [NVD] · [CVE record]
- EPSS
- 1.19% · Oct 25, 2026
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.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | ckeditor | bookworm | 4.19.1+dfsg-1 | fixed |
| Ubuntu | ckeditor | pro | 4.4.4+dfsg1-3 | vulnerable |
| Ubuntu | ckeditor | pro | 4.5.6+dfsg-1 | vulnerable |
| Ubuntu | ckeditor | pro | 4.5.7+dfsg-1 | vulnerable |
| Ubuntu | ckeditor | pro | 4.5.7+dfsg-2 | vulnerable |
| Ubuntu | ckeditor | pro | 4.5.7+dfsg-2ubuntu0.16.04.1~esm1 | fixed |
| Ubuntu | ckeditor | pro | 4.4.4+dfsg1-3 | vulnerable |
| Ubuntu | ckeditor | pro | 4.5.6+dfsg-1 | vulnerable |
| Ubuntu | ckeditor | pro | 4.5.7+dfsg-1 | vulnerable |
| Ubuntu | ckeditor | pro | 4.5.7+dfsg-2 | vulnerable |
| Ubuntu | ckeditor | pro | 4.5.7+dfsg-2ubuntu0.16.04.1~esm1 | fixed |
| Ubuntu | ckeditor | 18.04 | 4.5.7+dfsg-2 | vulnerable |
| Ubuntu | ckeditor | 18.04 | 4.5.7+dfsg-2ubuntu0.18.04.1 | fixed |
| Ubuntu | ckeditor | 20.04 | 4.11.1+dfsg-1 | vulnerable |
| Ubuntu | ckeditor | 20.04 | 4.12.1+dfsg-1 | vulnerable |
| Ubuntu | ckeditor | 20.04 | 4.12.1+dfsg-1ubuntu0.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | ckeditor | source | bookworm | 4.16.2+dfsg-1 | not yet assigned | Not reported | [992291] |
| Ubuntu | ckeditor | deb | pro | 4.5.7+dfsg-2ubuntu0.16.04.1~esm1 | Not reported | USN-5340-2 | Not reported |
| Ubuntu | ckeditor | deb | pro | 4.5.7+dfsg-2ubuntu0.16.04.1~esm1 | Not reported | UBUNTU-CVE-2021-32809 | Not reported |
| Ubuntu | ckeditor | deb | 18.04 | 4.5.7+dfsg-2ubuntu0.18.04.1 | Not reported | UBUNTU-CVE-2021-32809 | Not reported |
| Ubuntu | ckeditor | deb | 20.04 | 4.12.1+dfsg-1ubuntu0.1 | Not reported | UBUNTU-CVE-2021-32809 | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [ckeditor]Fixed
Details (2)
4.19.1+dfsg-1· all · bookwormFixed · Fixed:
4.16.2+dfsg-1dsa · ckeditor · debian · bookworm; dsa · ckeditor · debian · 12
4.19.1+dfsg-1· all · bookwormFixed · Fixed:
4.16.2+dfsg-1dsa · ckeditor · debian · bookworm; dsa · ckeditor · debian · 12
Observed: