whois.co.jp XSS vulnerability

Vulnerable URL: http://www.whois.co.jp/board/Faqlist.php?category="';-- Details: Description| Value ---|--- Patched:| No Latest check for patch:| 22.11.2017 Vulnerability type:| XSS Vulnerability status:| Publicly disclosed Alexa Rank| 1718766 VIP website status:| No Check whois.co.jp SSL...