cve/2021/CVE-2021-32809.md

### [CVE-2021-32809](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-32809)
![](https://img.shields.io/static/v1?label=Product&message=ckeditor4&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-94%3A%20Improper%20Control%20of%20Generation%20of%20Code%20('Code%20Injection')&color=brighgreen)

### Description

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.

### POC

#### Reference
- https://www.oracle.com/security-alerts/cpujan2022.html
- https://www.oracle.com/security-alerts/cpuoct2021.html

#### Github
No PoCs found on GitHub currently.