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Re: Re: Re: Apache Server HTML Injection and UTF-7 XSS Vulnerability

To: bugtraq@xxxxxxxxxxxxxxxxx
Subject: Re: Re: Re: Apache Server HTML Injection and UTF-7 XSS Vulnerability
From: Jon Ribbens <jon+bugtraq2@xxxxxxxxxxxxxxxxx>
Date: Fri, 16 May 2008 10:44:15 +0100

On Wed, May 14, 2008 at 05:20:52PM -0000, Tom.Donovan@xxxxxxx wrote:
> It appears there is little that web servers can do to thwart this,
> short of changing all '+' characters to %2B.  That seems excessive.

To be fair, this is what Microsoft has recommended, explicitly for the
purpose of preventing XSS, for *at least* the last 6 years. The library
I use does indeed encode "+" as "&#43;".

References:
- Re: Re: Re: Apache Server HTML Injection and UTF-7 XSS Vulnerability
  - From: Tom . Donovan

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