### [CVE-2017-15878](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-15878)
![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brighgreen)

### Description

A cross-site scripting (XSS) vulnerability exists in fields/types/markdown/MarkdownType.js in KeystoneJS before 4.0.0-beta.7 via the Contact Us feature.

### POC

#### Reference
- https://packetstormsecurity.com/files/144756/KeystoneJS-4.0.0-beta.5-Unauthenticated-Stored-Cross-Site-Scripting.html
- https://www.exploit-db.com/exploits/43054/

#### Github
- https://github.com/n0th1n3-00X/security_prince