Unspecified vulnerability in phpTodo before 0.8.1 allows remote attackers to have an unknown impact via newlines in regular expressions to (1) index.php, (2) feed.php, (3) prefs.php, and (4) todolist.php; and (5) classTodoItem.php and (6) phpTodoUser.php in libs/.  NOTE: some of these details are obtained from third party information.