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Date: Mon, 28 Sep 2009 23:45:14 +0300
From: "MustLive" <mustlive@...security.com.ua>
To: <bugtraq@...urityfocus.com>
Subject: Cross-Site Scripting vulnerability in eCaptcha

Hello Bugtraq!

I want to warn you about Cross-Site Scripting vulnerability in eCaptcha 
(plugin for E107). I found this hole in July 2008 and disclosed it at 
25.09.2008.

XSS:

POST query at page 
http://site/path/ecaptcha/?key=b7c9bf99e763252105f047a5ca5681d0

<script>alert(document.cookie)</script>
in field: Type Here.

Working key (ecaptcha_key) is required, which can be retrieved by script. 
Every key works only for one time.

Exploit:

http://websecurity.com.ua/uploads/2008/eCaptcha%20XSS.html

I mentioned about this vulnerability at my site 
(http://websecurity.com.ua/2253/).

Best wishes & regards,
MustLive
Administrator of Websecurity web site
http://websecurity.com.ua 

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