watertreatment.elapierre.com XSS vulnerability

Vulnerable URL: http://www.watertreatment.elapierre.com/defaulten.asp?PageSize=10=Rechercher=23=Search"--!" Details: Description| Value ---|--- Patched:| No Latest check for patch:| 02.11.2017 Vulnerability type:| XSS Vulnerability status:| Publicly disclosed Alexa Rank| Unknown / Not calculated...