vergelegen.co.za XSS vulnerability

Vulnerable URL: https://www.vergelegen.co.za/Alpha/Page.php?SearchString==xImageID=1140000000==shop"--!"KNOXSS Details: Description| Value ---|--- Patched:| No Latest check for patch:| 31.07.2017 Vulnerability type:| XSS Vulnerability status:| Publicly disclosed Alexa Rank| 2480466 VIP website...