Direct static code injection vulnerability in include/change.php in membrepass 1.5 allows remote attackers to execute arbitrary PHP code via the aifon parameter, which is injected into include/variable.php.
https://exchange.xforce.ibmcloud.com/vulnerabilities/28692
http://www.vupen.com/english/advisories/2006/3427
http://www.securityfocus.com/bid/19790
http://www.securityfocus.com/archive/1/444845/100/0/threaded