cve/2021/CVE-2021-3646.md

### [CVE-2021-3646](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3646)
![](https://img.shields.io/static/v1?label=Product&message=btcpayserver%2Fbtcpayserver&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3C%201.2.3%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-79%20Improper%20Neutralization%20of%20Input%20During%20Web%20Page%20Generation%20('Cross-site%20Scripting')&color=brighgreen)

### Description

btcpayserver is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

### POC

#### Reference
- https://huntr.dev/bounties/32e30ecf-31fa-45f6-8552-47250ef0e613

#### Github
- https://github.com/ARPSyndicate/cvemon
- https://github.com/ajmalabubakkr/CVE