### [CVE-2019-8400](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-8400) ![](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 ORY Hydra before v1.0.0-rc.3+oryOS.9 has Reflected XSS via the oauth2/fallbacks/error error_hint parameter. ### POC #### Reference - https://www.youtube.com/watch?v=RIyZLeKEC8E #### Github No PoCs found on GitHub currently.