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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: