Multiple SQL injection vulnerabilities in PHP-Fusion before 6.00.110 allow remote attackers to execute arbitrary SQL commands via (1) the activate parameter in register.php and (2) the cat_id parameter in faq.php.
https://exchange.xforce.ibmcloud.com/vulnerabilities/22532
http://www.securityfocus.com/bid/15018
http://www.php-fusion.co.uk/news.php?readmore=261
http://securityreason.com/securityalert/54