PHP remote file inclusion vulnerability in index.php in Zen Cart 1.3.0.2 and earlier, when register_globals is enabled, allows remote attackers to execute arbitrary PHP code via a URL in the autoLoadConfig[999][0][loadFile] parameter.
https://exchange.xforce.ibmcloud.com/vulnerabilities/28394
http://www.vupen.com/english/advisories/2006/3283
http://www.securityfocus.com/bid/19543
http://www.gulftech.org/?node=research&article_id=00109-08152006