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Re: internet-explorer: bug or feature?
From: Andrew Clover <and-bugtraq () doxdesk com>
Date: Thu, 01 Apr 2004 22:03:25 +0100

<ko5 () hush com> wrote:

>   about:<script>alert('*plopp*');</script>

> a small alert popps up and says me '*plopp*', so it seems, that i can
> inject any code i want.

Originally reported here:

  http://www.doxdesk.com/personal/posts/bugtraq/20010819-ie.html

This was eventually fixed in IE6 SP1, after it was discovered that due to a parsing error this could be abused to execute in the security context of any target domain.

> i am not sure if its what the 'about:'-construct is for

It was just another random pointless feature. IE has a lot of these. Sometimes they prove a security liability and very occasionally they get removed, but no-one seems to have thought of not including them in the first place.

--
Andrew Clover
mailto:and () doxdesk com
http://www.doxdesk.com/

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