roundballcity.com XSS vulnerability

Vulnerable URL: http://www.roundballcity.com/forums/1/107834/ShowThread.aspx?%27-prompt%28%27OPENBUGBOUNTY%27%29-%27 Details: Description| Value ---|--- Patched:| No Latest check for patch:| 27.07.2017 Vulnerability type:| XSS Vulnerability status:| Publicly disclosed Alexa Rank| 217497 VIP websi...