silverstripe/silverstripe-framework — pull request #3140 by marijnkampf (2014-05-15 07:56:14+00:00)
Title: Update uploadfield.md

added: private static $allowed_actions = array('Form'); to sample code to fix 403 forbidden error: Action 'Form' isn't allowed on class GalleryPage_Controller on clean SS3.1.5 install.