ssl.medianine.com XSS vulnerability

Vulnerable URL: https://ssl.medianine.com/mbcppv/checkout.php?sesid=4lpil9in9rlt9gmud4m14v64u2="';-- Details: Description| Value ---|--- Patched:| No Latest check for patch:| 28.07.2017 Vulnerability type:| XSS Vulnerability status:| Publicly disclosed Alexa Rank| Unknown / Not calculated VIP...