Advisory Information -------------------- Advisory name : Woltlab Burning Book addentry.php SQL Injection Discovered by : drhankey / it-security23.net Vendor Name : Woltlab Vendor Homepage : http://www.woltlab.de Software : Woltlab Burning Book Lite Vulnerability Type : Cross-Site-Scripting Vulnerable Versions : 1.0 Gold, 1.1.1e, maybe more Platforms : OS Independent, PHP What is Woltlab Burning Book ? ---------------------------------- Woltlab Burning Board Lite is a free guestbook system. Vulnerability Description: ------------------------- When you post a message, addentry.php executes a SQL Query writing it in the db. The user-agent is also saved, but not filtered. So its possible to modify the SQL Query when you change your user-agent.