extras/curltest.php in Zen Cart 1.3.8 and 1.3.8a, and possibly other versions, allows remote attackers to read arbitrary files via a file:// URI. NOTE: some of these details are obtained from third party information.
osvdb.org/60892
secunia.com/advisories/37630
www.securityfocus.com/archive/1/508340/100/0/threaded
www.securityfocus.com/bid/37283
www.vupen.com/english/advisories/2009/3474
www.zen-cart.com/forum/showthread.php?t=142784
exchange.xforce.ibmcloud.com/vulnerabilities/54687
www.acunetix.com/blog/websecuritynews/acusensor-curl-and-zen-cart/