PHPKIT 1.6.6 allows arbitrary File Upload, as demonstrated by a .php file to pkinc/admin/mediaarchive.php and pkinc/func/default.php via the image_name parameter.
Cross-site scripting (XSS) vulnerability in the poll archive in PHPKIT 1.6.6 (Build 160014) allows remote attackers to inject arbitrary web script or HTML via the result parameter to upload_files/pk/include.php.