nuclei-templates/headless/window-name-domxss.yaml

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2021-03-10 08:33:40 +00:00
id: window-name-domxss
info:
name: window.name - DOM Cross-Site Scripting
2021-04-06 06:46:11 +00:00
author: pdteam
2021-03-10 08:33:40 +00:00
severity: medium
reference:
- https://public-firing-range.appspot.com/dom/index.html
2021-03-10 08:33:40 +00:00
tags: headless,xss,domxss
headless:
- steps:
- action: setheader
args:
part: response
key: Content-Security-Policy
value: "default-src * 'unsafe-inline' 'unsafe-eval' data: blob:;"
- action: script
args:
hook: true
code: |
(function() {window.alerts = [];
function logger(found) {
window.alerts.push(found);
}
function getStackTrace () {
var stack;
try {
throw new Error('');
}
catch (error) {
stack = error.stack || '';
}
stack = stack.split('\n').map(function (line) { return line.trim(); });
return stack.splice(stack[0] == 'Error' ? 2 : 1);
}
window.name = "{{randstr_1}}'\"<>";
var oldEval = eval;
var oldDocumentWrite = document.write;
var setter = Object.getOwnPropertyDescriptor(Element.prototype, 'innerHTML').set;
Object.defineProperty(Element.prototype, 'innerHTML', {
set: function innerHTML_Setter(val) {
if (val.includes("{{randstr_1}}'\"<>")) {
logger({sink: 'innerHTML', source: 'window.name', code: val, stack: getStackTrace()});
}
return setter.call(this, val)
}
});
eval = function(data) {
if (data.includes("{{randstr_1}}'\"<>")) {
logger({sink: 'eval' ,source: 'window.name', code: data, stack: getStackTrace()});
}
return oldEval.apply(this, arguments);
};
document.write = function(data) {
if (data.includes("{{randstr_1}}'\"<>")) {
logger({sink: 'document.write' ,source: 'window.name', code: data, stack: getStackTrace()});
}
return oldEval.apply(this, arguments);
};
})();
- args:
url: "{{BaseURL}}"
action: navigate
- action: waitload
- action: script
name: alerts
args:
code: "window.alerts"
matchers:
- type: word
part: alerts
words:
- "sink:"
extractors:
- type: kval
part: alerts
kval:
- alerts