Created
February 8, 2018 05:02
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XSS regex
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var regex = /.*(script\b).*>.*<.*(script\b).*/gi; | |
var scripts = [ | |
"<script> alert(); </script>", | |
"<< ScRiPT >alert(\"XSS\");//<</ ScRiPT >", | |
"<script/src=test.js></script>", | |
"<script src=test.js></script>", | |
"<div><script> alert(); </script></div>", | |
"<script+>alert();</script>", | |
"<script/script>", //valid | |
"<scripting></scripting>", // valid | |
"<script/src=test.js/>" // valid | |
] | |
var x = document.getElementById('x'); | |
scripts.forEach(function(script) { | |
var i = document.createElement('input'); | |
i.value = script; | |
x.appendChild(i); | |
x.appendChild(document.createElement('br')); | |
}) | |
var btn = document.createElement('button'); | |
btn.innerHTML = 'Click Me'; | |
btn.addEventListener('click', function(e) { | |
checkInputs(); | |
}); | |
x.appendChild(btn); | |
function checkInputs() { | |
var inputs = document.getElementsByTagName('input'); | |
if (!inputs) { | |
inputs = [] | |
} | |
for(var i = 0; i < inputs.length; i++) { | |
var input = inputs[i]; | |
if(input) { | |
var output = input.value.match(regex); | |
console.log(output) | |
} | |
} | |
} |
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