### [CVE-2021-27520](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-27520)
![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brightgreen)

### Description

A cross-site scripting (XSS) issue in FUDForum 3.1.0 allows remote attackers to inject JavaScript via index.php in the "author" parameter.

### POC

#### Reference
- http://packetstormsecurity.com/files/162942/FUDForum-3.1.0-Cross-Site-Scripting.html
- https://github.com/fudforum/FUDforum/issues/2

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