CVEs-PoC/2021/CVE-2021-22241.md

### [CVE-2021-22241](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-22241)
![](https://img.shields.io/static/v1?label=Product&message=GitLab&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3E%3D14.0%2C%20%3C14.0.7%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Version&message=%3E%3D14.1%2C%20%3C14.1.2%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Improper%20neutralization%20of%20input%20during%20web%20page%20generation%20('cross-site%20scripting')%20in%20GitLab&color=brightgreen)

### Description

An issue has been discovered in GitLab CE/EE affecting all versions starting from 14.0. It was possible to exploit a stored cross-site-scripting via a specifically crafted default branch name.

### POC

#### Reference
- https://gitlab.com/gitlab-org/gitlab/-/issues/336460

#### Github
No PoCs found on GitHub currently.