    function load() {
        w3_require_once(W3TC_INC_FUNCTIONS_DIR . '/admin.php');
        $this->_page = w3tc_get_current_page();

        /**
         * Run plugin action
         */
        $action = false;

        foreach ($_REQUEST as $key => $value) {
            if (strpos($key, 'w3tc_') === 0) {
                $action = 'action_' . substr($key, 5);
                break;
            }
        }
        $flush = false;
        $cdn = false;
        $support = false;
        $action_handler = w3_instance('W3_AdminActions_ActionHandler');
        $action_handler->set_default($this);
        $action_handler->set_current_page($this->_page);
        if ($action && $action_handler->exists($action)) {
            if (strpos($action, 'view') !== false)
                if (!wp_verify_nonce(W3_Request::get_string('_wpnonce'), 'w3tc'))
                    wp_nonce_ays('w3tc');
            else
                check_admin_referer('w3tc');

            try {
                $action_handler->execute($action);
            } catch (Exception $e) {
                w3_admin_redirect_with_custom_messages(array(), array($e->getMessage()));
            }

            exit();
        }
    }
The web application does not, or can not, sufficiently verify whether a well-formed, valid, consistent request was intentionally provided by the user who submitted the request.