globals.php in Mambo Site Server 4.0.14 and earlier, when register_globals is disabled, allows remote attackers to overwrite variables in the GLOBALS array and conduct various attacks, as demonstrated using the mosConfig_absolute_path parameter to content.html.php for remote PHP file inclusion.
http://www.vupen.com/english/advisories/2005/2473
http://www.securityfocus.com/bid/15461
http://www.securityfocus.com/archive/1/427196/100/0/threaded
http://www.securityfocus.com/archive/1/426942/100/0/threaded
http://securitytracker.com/id?1015258