cve/2021/CVE-2021-25033.md

### [CVE-2021-25033](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-25033)
![](https://img.shields.io/static/v1?label=Product&message=WordPress%20Newsletter%20Plugin%20%E2%80%93%20Noptin&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=1.6.5%3C%201.6.5%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-601%20URL%20Redirection%20to%20Untrusted%20Site%20('Open%20Redirect')&color=brighgreen)

### Description

The WordPress Newsletter Plugin WordPress plugin before 1.6.5 does not validate the to parameter before redirecting the user to its given value, leading to an open redirect issue

### POC

#### Reference
- https://wpscan.com/vulnerability/c2d2384c-41b9-4aaf-b918-c1cfda58af5c

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