SQL injection vulnerability in e107

Vulnerability ID: HTB22602
Reference: http://www.htbridge.ch/advisory/sql_injection_vulnerability_in_e107.html
Product: e107 Website System
Vendor: e107 ( http://www.e107.org/ )
Vulnerable Version: 0.7.23 and Probably Prior Versions
Vendor Notification: 03 September 2010
Vulnerability Type: SQL Injection
Status: Not Fixed, Vendor Alerted, Awaiting Vendor Response
Risk level: Low
Credit: High-Tech Bridge SA - Ethical Hacking & Penetration Testing (http://www.htbridge.ch/)

Vulnerability Details:
The vulnerability exists due to failure in the wmessage.php script to properly sanitize user-supplied input in GET parameter. 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/e107_admin/wmessage.php?create.edit.999999%0Aunion%0Aselect%0A1,2,user%28%29