source: https://www.securityfocus.com/bid/16521/info

Beehive Forum is prone to an SQL-injection vulnerability. This issue is due to a failure in the application to properly sanitize user-supplied input.

Successful exploitation can allow an attacker to bypass authentication and gain administrative access to a site. Other attacks may also be possible.

Beehive Forum 0.6.2 is reported to be vulnerable. 

http://www.example.com/beehive/index.php?user_sess=k
http://www.example.com/beehive/index.php?user_sess=1+MYFORUM