PHP remote file inclusion vulnerability in _functions.php in cpCommerce 0.5f allows remote attackers to execute arbitrary code via the prefix parameter.
https://exchange.xforce.ibmcloud.com/vulnerabilities/13457
http://www.securityfocus.com/bid/8851
http://www.securityfocus.com/archive/1/341757
http://www.securiteam.com/unixfocus/6H00E2K8KG.html
http://securityreason.com/securityalert/3301
http://cpcommerce.org/forums/index.php?board=2%3Baction=display%3Bthreadid=864