CVEs-PoC/2021/CVE-2021-37859.md

### [CVE-2021-37859](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-37859)
![](https://img.shields.io/static/v1?label=Product&message=Mattermost%20&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=5.32.0%3C%3D%205.36.0%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-79%20Cross-site%20Scripting%20(XSS)&color=brighgreen)

### Description

Fixed a bypass for a reflected cross-site scripting vulnerability affecting OAuth-enabled instances of Mattermost.

### POC

#### Reference
- https://mattermost.com/security-updates/

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