CVEs-PoC/2020/CVE-2020-5809.md

### [CVE-2020-5809](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-5809)
![](https://img.shields.io/static/v1?label=Product&message=Umbraco%20CMS&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Stored%20Cross-Site%20Scripting&color=brighgreen)

### Description

A stored XSS vulnerability exists in Umbraco CMS <= 8.9.1 or current. An authenticated user can inject arbitrary JavaScript code into iframes when editing content using the TinyMCE rich-text editor, as TinyMCE is configured to allow iframes by default in Umbraco CMS.

### POC

#### Reference
- https://www.tenable.com/security/research/tra-2020-59

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