Unrestricted file upload vulnerability in admin/editor/image.php in e-cart.biz Free Shopping Cart allows remote attackers to execute arbitrary code by uploading a file with an executable extension, then accessing it via a direct request to the file in images/.
index.cgi in E-Cart 2004 1.1 and earlier allows remote attackers to execute arbitrary commands via shell metacharacters in the (1) art and possibly (2) cat parameters.