### [CVE-2021-3944](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3944)
![](https://img.shields.io/static/v1?label=Product&message=bookstackapp%2Fbookstack&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3C%2021.11%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-352%20Cross-Site%20Request%20Forgery%20(CSRF)&color=brighgreen)

### Description

bookstack is vulnerable to Cross-Site Request Forgery (CSRF)

### POC

#### Reference
- https://huntr.dev/bounties/65551490-5ade-49aa-8b8d-274c2ca9fdc9

#### Github
- https://github.com/ARPSyndicate/cvemon
- https://github.com/Haxatron/Haxatron