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GetSimple CMS XSS vulnerability
XSS vulnerability in GetSimple CMS
XSS vulnerability in GetSimple CMS

Vulnerability ID: HTB22375
Reference: http://www.htbridge.ch/advisory/xss_vulnerability_in_getsimple_cms.html 
Product: GetSimple CMS
Vendor: Cagintranet Networks
Vulnerable Version: 2.01 and Probably Prior Versions
Vendor Notification: 10 May 2010 
Vulnerability Type: XSS (Cross Site Scripting)
Status: Not Fixed, Vendor Alerted, Awaiting Vendor Response
Risk level: Medium 
Credit: High-Tech Bridge SA (http://www.htbridge.ch/) 

Vulnerability Details:
User can execute arbitrary JavaScript code within the vulnerable application. 

The vulnerability exists due to failure in the "/admin/components.php" script to properly sanitize user-supplied input in "val[]" variable. Successful exploitation of this vulnerability could result in a compromise of the application, theft of cookie-based authentication credentials, disclosure or modification of sensitive data.

An attacker can use browser to exploit this vulnerability. The following PoC is available: 

action="http://example.com/admin/components.php" method="post" name="main" accept-charset="utf-8" >

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