cve/2021/CVE-2021-40868.md

### [CVE-2021-40868](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-40868)
![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brighgreen)

### Description

In Cloudron 6.2, the returnTo parameter on the login page is vulnerable to Reflected XSS.

### POC

#### Reference
- http://packetstormsecurity.com/files/164255/Cloudron-6.2-Cross-Site-Scripting.html
- https://packetstormsecurity.com/files/164183/Cloudron-6.2-Cross-Site-Scripting.html

#### Github
- https://github.com/ARPSyndicate/cvemon
- https://github.com/ARPSyndicate/kenzer-templates