Cross-site scripting (XSS) vulnerability in index.php in Gravity Board X (GBX) 2.0 Beta allows remote attackers to inject arbitrary web script or HTML via the subject parameter in a postnewsubmit (aka create new thread) action.
- http://securityreason.com/securityalert/3970
- https://www.exploit-db.com/exploits/5791
No PoCs found on GitHub currently.