It will be a hazard if we can manipulate other frames/window withou using client-side scripts or user-invoked actions.
Here’s a list of alternatives:
Javascript options:
window.top.location.href=theLocation;
window.parent.location.href=theLocation;
window.top.location.replace(theLocation);
Non-javascript options:
<a href="https://stackoverflow.com/questions/2092275/theLocation" target="_top">Click here to continue</a>
<a href="https://stackoverflow.com/questions/2092275/theLocation" target="_parent">Click here to continue</a>