How do you spell JavaScript again

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hackvertor

Author:

Gareth Heyes

@hackvertor

Published: Wed, 23 Feb 2011 20:09:41 GMT

Updated: Mon, 24 Mar 2025 20:57:48 GMT

So I came across a cool post to hack the new HTML5 parser that Opera is developing, it is awesome that a vendor says hey c'mon look what we've done, please try and break our stuff. I couldn't resist having a go as they asked so nicely and within minutes....

<a href="jav&#65ascript:alert(1)">test1</a> <a href="jav&#97ascript:alert(1)">test2</a>

That's not how you spell JavaScript :)

Opera dudes pro tip:- JavaScript protocol fuzzer

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