shop.mancity.com XSS vulnerability

Vulnerable URL: http://shop.mancity.com/stores/mancity/en/help?hpg=shipping"-confirmOPENBUGBOUNTY-"KNOXSS Details: Description| Value ---|--- Patched:| No Latest check for patch:| 31.07.2017 Vulnerability type:| XSS Vulnerability status:| Publicly disclosed Alexa Rank| Unknown / Not calculated VI...