Global variable overwrite vulnerability in maincore.php in PHP-Fusion 6.01.4 and earlier uses the extract function on the superglobals, which allows remote attackers to conduct SQL injection attacks via the _SERVER[REMOTE_ADDR] parameter to news.php.
https://exchange.xforce.ibmcloud.com/vulnerabilities/28818
http://www.vupen.com/english/advisories/2006/3523
http://www.php-fusion.co.uk/news.php?readmore=353