### [CVE-2019-12581](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-12581)
![](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

A reflective Cross-site scripting (XSS) vulnerability in the free_time_failed.cgi CGI program in selected Zyxel ZyWall, USG, and UAG devices allows remote attackers to inject arbitrary web script or HTML via the err_msg parameter.

### POC

#### Reference
- https://n-thumann.de/blog/zyxel-gateways-missing-access-control-in-account-generator-xss/

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