SQL injection vulnerability in CuteSITE CMS

[advisory@xxxxxxxxxxx]

Vulnerability ID: HTB22396
Reference: 
http://www.htbridge.ch/advisory/sql_injection_vulnerability_in_cutesite_cms.html
Product: CuteSITE CMS
Vendor: AMT Company
Vulnerable Version: 1.5.0 and Probably Prior Versions
Vendor Notification: 20 May 2010 
Vulnerability Type: SQL Injection
Status: Not Fixed, Vendor Alerted, Awaiting Vendor Response
Risk level: Medium 
Credit: High-Tech Bridge SA (http://www.htbridge.ch/) 

Vulnerability Details:
The vulnerability exists due to failure in the "manage/add_user.php" script to 
properly sanitize user-supplied input in "user_id" variable. Attacker can alter 
queries to the application SQL database, execute arbitrary queries to the 
database, compromise the application, access or modify sensitive data, or 
exploit various vulnerabilities in the underlying SQL database.

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


http://host/manage/add_user.php?user_id=-1+union+select+1,2,3,4,5,6,7,8,9,10,11,12,13,user%28%29,15,16