Unrestricted file upload vulnerability in index.php in phpGreetCards 3.7 allows remote attackers to execute arbitrary PHP code by uploading a file with an executable extension, then accessing it via a via a link that is listed by userfiles/number_shell.php.

Cross-site scripting (XSS) vulnerability in index.php in phpGreetCards 3.7 allows remote attackers to inject arbitrary web script or HTML via the category parameter in a select action.