whiskyauction.com XSS vulnerability

Vulnerable URL: http://whiskyauction.com/cgi-bin/auction/auction.pl?action=Go=Whiskysoires" Details: Description| Value ---|--- Patched:| No Latest check for patch:| 26.07.2017 Vulnerability type:| XSS Vulnerability status:| Publicly disclosed Alexa Rank| 383281 Google Pagerank| 3 VIP website...