cve/2021/CVE-2021-44528.md

### [CVE-2021-44528](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-44528)
![](https://img.shields.io/static/v1?label=Product&message=https%3A%2F%2Fgithub.com%2Frails%2Frails&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Open%20Redirect%20(CWE-601)&color=brighgreen)

### Description

A open redirect vulnerability exists in Action Pack >= 6.0.0 that could allow an attacker to craft a "X-Forwarded-Host" headers in combination with certain "allowed host" formats can cause the Host Authorization middleware in Action Pack to redirect users to a malicious website.

### POC

#### Reference
No PoCs from references.

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