### [CVE-2021-4119](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-4119)
![](https://img.shields.io/static/v1?label=Product&message=bookstackapp%2Fbookstack&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3C%2021.11.3%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-284%20Improper%20Access%20Control&color=brighgreen)

### Description

bookstack is vulnerable to Improper Access Control

### POC

#### Reference
- https://huntr.dev/bounties/135f2d7d-ab0b-4351-99b9-889efac46fca

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