Unrestricted file upload vulnerability in php/upload.php in the wpStoreCart plugin before 2.5.30 for WordPress 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 uploads/wpstorecart.
https://exchange.xforce.ibmcloud.com/vulnerabilities/76166
http://wordpress.org/extend/plugins/wpstorecart/changelog/