	public function register()
	{
		JSession::checkToken('post') or jexit(JText::_('JINVALID_TOKEN'));

		// Get the application
		$app = JFactory::getApplication();

		// Get the form data.
		$data = $this->input->post->get('user', array(), 'array');

		// Get the model and validate the data.
		$model  = $this->getModel('Registration', 'UsersModel');

		$form = $model->getForm();

		if (!$form)
		{
			JError::raiseError(500, $model->getError());

			return false;
		}

		$return = $model->validate($form, $data);

		// Check for errors.
		if ($return === false)
		{
			// Get the validation messages.
			$errors = $model->getErrors();

			// Push up to three validation messages out to the user.
			for ($i = 0, $n = count($errors); $i < $n && $i < 3; $i++)
			{
				if ($errors[$i] instanceof Exception)
				{
					$app->enqueueMessage($errors[$i]->getMessage(), 'notice');

					continue;
				}

				$app->enqueueMessage($errors[$i], 'notice');
			}

			// Save the data in the session.
			$app->setUserState('users.registration.form.data', $data);

			// Redirect back to the registration form.
			$this->setRedirect('index.php?option=com_users&view=registration');

			return false;
		}

		// Finish the registration.
		$return = $model->register($data);

		// Check for errors.
		if ($return === false)
		{
			// Save the data in the session.
			$app->setUserState('users.registration.form.data', $data);

			// Redirect back to the registration form.
			$message = JText::sprintf('COM_USERS_REGISTRATION_SAVE_FAILED', $model->getError());
			$this->setRedirect('index.php?option=com_users&view=registration', $message, 'error');

			return false;
		}

		// Flush the data from the session.
		$app->setUserState('users.registration.form.data', null);

		return true;
	}
The product receives input or data, but it does
        not validate or incorrectly validates that the input has the
        properties that are required to process the data safely and
        correctly.