PHP remote file inclusion vulnerability in nucleus/libs/PLUGINADMIN.php in Nucleus 3.22 and earlier allows remote attackers to execute arbitrary PHP code via a URL in the GLOBALS[DIR_LIBS] parameter.
https://exchange.xforce.ibmcloud.com/vulnerabilities/26606
http://www.vupen.com/english/advisories/2006/1936
http://www.securityfocus.com/bid/18097
http://www.securityfocus.com/archive/1/434837/100/0/threaded
http://www.nucleuscms.org/item/3038
http://securitytracker.com/id?1016146
http://securityreason.com/securityalert/951