Cat bomb your friends or enemies filling their whole hard drive with cats thanks to a little HTML5 vulnerability

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by / Thursday, 07 March 2013 / Be the first to comment! Published in Programming is fun

Sometimes a browser needs to leave a little data on your computer, just a little 5-10KB nibblit, a cookie.

HTML5 is a hungrier beast than that, infact, the HTML5 Web Storage standard was developed to allow sites to store larger amounts of data (like 5-10 MB) than was previously allowed by cookies (like 4KB). localStorage is awesome because it’s supported in all modern browsers (Chrome, Firefox 3.5+, Safari 4+, IE 8+, etc.). But that's where it should end. But that's where it should end.

Thanks to a little HTML5 vulnerability, however, this site can and will fill your entire hard drive with trash. Specifically cats. Lots and lots of cats.

I can [not] think of so many legitimate uses for it.

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