hanssenstelecom.be XSS vulnerability

Vulnerable URL: http://www.hanssenstelecom.be/site/error.php?url=http%3A%2F%2Fwww.hanssenstelecom.be%2Fnl%2Falarmkoppeling-293.htm=--!%3E%22%3E%3C/script%20%3E%3Ciframe/onload=alert%28/XSSPOSED/%29%3E Details: Description| Value ---|--- Patched:| Yes, at 25.07.2017 Latest check for patch:|...