### [CVE-2018-11627](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-11627) ![](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 Sinatra before 2.0.2 has XSS via the 400 Bad Request page that occurs upon a params parser exception. ### POC #### Reference No PoCs from references. #### Github - https://github.com/ARPSyndicate/cvemon