Unrestricted file upload vulnerability in uploadify/scripts/uploadify.php in the Kish Guest Posting plugin before 1.2 for WordPress allows remote attackers to execute arbitrary code by uploading a file with a PHP extension, then accessing it via a direct request to the file in the directory specified by the folder parameter.

Unrestricted file upload vulnerability in uploadify/scripts/uploadify.php in the Kish Guest Posting plugin 1.2 for WordPress allows remote attackers to execute arbitrary code by uploading a file with a double extension, then accessing it via a direct request to the file in the directory specified by the folder parameter. NOTE: this vulnerability exists because of an incomplete fix for CVE-2012-1125.