valys.nl XSS vulnerability

Vulnerable URL: https://www.valys.nl/zoeken?q=%22onmouseover%3Dprompt%28%27OPENBUGBOUNTY%27%29+xss%3D%22=Zoek=226 Details: Description| Value ---|--- Patched:| No Latest check for patch:| 19.11.2017 Vulnerability type:| XSS Vulnerability status:| Publicly disclosed Alexa Rank| 2116679 VIP website...