SQL injection vulnerability in (1) functions.php, (2) functions_update.php, and (3) functions_display.php in VEGO Web Forum 1.26 and earlier allows remote attackers to execute arbitrary SQL commands via the theme_id parameter in index.php.
http://www.vupen.com/english/advisories/2006/0003
http://www.securityfocus.com/bid/16107
http://www.securityfocus.com/archive/1/420661/100/0/threaded
http://securityreason.com/securityalert/315