SQL injection vulnerability in link.php in Arab Portal System 2 Beta 2 allows remote attackers to execute arbitrary SQL commands via the (1) PHPSESSID (session ID) or (2) REQUEST_URI (query string).
http://www.vupen.com/english/advisories/2005/2858
http://www.securityfocus.com/bid/15820
http://www.securityfocus.com/archive/1/419264/100/0/threaded