full-disclosure - Re: Cross-Site Scripting vulnerability in Mozilla Firefox, Opera and other browsers

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Date: Mon, 9 Aug 2010 22:02:00 +0200 (CEST)
From: Pavel Kankovsky <peak@...o.troja.mff.cuni.cz>
To: full-disclosure@...ts.grok.org.uk
Subject: Re: Cross-Site Scripting vulnerability in Mozilla
 Firefox, Opera and other browsers

On Sun, 8 Aug 2010, MustLive wrote:

> Also in all versions of Mozilla and Mozilla Firefox it's possible to use
> another variant of Strictly social XSS - with using of -moz-binding (for
> Firefox < 3.0 or for Firefox => 3.0 with xml-file on the same site) or with
> using of onMouseOver:
> 
> http://site/script.php?param=a:%22%20onMouseOver=%22alert(document.cookie)
> 
> At moving of the cursor on the link here the code will execute in context
> of this site.
> 
[...]
> 
> This attack is possible only if redirector (with "302 Found" or "302 Object
> moved" answer) outputs double quote in Location header in plain (not in URL
> encoding) form.

Would you mind showing us the actual HTTP response generated your
script.php, esp. its body?

-- 
Pavel Kankovsky aka Peak                          / Jeremiah 9:21        \
"For death is come up into our MS Windows(tm)..." \ 21st century edition /


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