Multiple SQL injection vulnerabilities in Land Down Under (LDU) v801 and earlier allow remote attackers to execute arbitrary SQL commands via parameters including (1) the m parameter in auth.php, (2) the f parameter in events.php, or (3) the e parameter in plug.php.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2005-4814
http://www.securityfocus.com/bid/14820
http://www.g-0.org/code/ldu-adv.html
http://archives.neohapsis.com/archives/fulldisclosure/2005-09/0381.html