hypermart.com XSS vulnerability

Vulnerable URL: https://www.hypermart.com/utils/UnSubscribeMe.bml?Name=JUSTXSSS=EstrellaWarBirdsNews=" Details: Description| Value ---|--- Patched:| No Latest check for patch:| 26.07.2017 Vulnerability type:| XSS Vulnerability status:| Publicly disclosed Alexa Rank| 3160546 VIP website status:| N...