add_filter( 'ajax_query_attachments_args', 'wpb_show_current_user_attachments' ); function wpb_show_current_user_attachments( $query ) { $user_id = get_current_user_id(); if ( $user_id && !current_user_can('activate_plugins') && !current_user_can('edit_others_posts ') ) { $query['author'] = $user_id; } return $query; }