source: http://www.securityfocus.com/bid/51802/info

The 'com_bnf' component for Joomla! is prone to a remote SQL injection vulnerability.

A successful exploit may allow an attacker to compromise the application, access or modify data, or exploit latent vulnerabilities in the underlying database. 

http://www.example.com/index.php?option=com_bnf&task=listar&action=filter_add&seccion=pago&seccion_id=[SQL Injection]&direccion=&direct=0&Itemid=0&lang=es