arizmendi.com XSS vulnerability

Vulnerable URL: https://www.arizmendi.com/deki/plugins/specialpage/gotoanalytics.php?destino=" Details: Description| Value ---|--- Patched:| No Latest check for patch:| 26.07.2017 Vulnerability type:| XSS Vulnerability status:| Publicly disclosed Alexa Rank| 2054766 Google Pagerank| 4 VIP website...