PHP remote file inclusion vulnerability in ZeroBoard 4.1pl4 and earlier allows remote attackers to execute arbitrary PHP code by modifying the (1) _zb_path parameter to outlogin.php or (2) dir parameter to write.php to reference a URL on a remote web server that contains the code.
https://exchange.xforce.ibmcloud.com/vulnerabilities/18679
https://exchange.xforce.ibmcloud.com/vulnerabilities/18677
http://securitytracker.com/id?1012677