Talk:UnsafeWindow

We should add an example of an exploit. If not running code (would be nice) for security-by-obscurity reasons, then at least explain what could happen. --195.67.240.29 17:39, 13 April 2007 (EDT)

+1 . I've never totally understood *what* the vulnerabilities are. This is the most I've ever gotten: http://arantius.info/gm/security/gm-escalate-getter.html Arantius 12:17, 13 May 2007 (EDT)

---

How to do I use GM_setValue safely?

I want to insert in the page an HTML element that can be used to update a preference.

My strategy for doing this is:

• add the element in the userScript, with an onclick property set to call updatePref(new_state);
• add a function to update the setting to unsafeWindow, here is the function:

	unsafeWindow.updatePref = function(state) {
		var s;
		if (state) { s = true; } else { s = false; }
		GM_setValue('pref', s);
	};

Questions:

• Is it safe?
• Is there a better way that does not involve unsafeWindow?

You should be able to just define the method on window. So try just

function updatePref(state) {
  …
}

--81.227.36.227 04:13, 6 May 2007 (EDT)

Asking questions should really be done on the mailing list not the wiki. Arantius 12:17, 13 May 2007 (EDT)

This page would be a zillion (conservative estimate) times more useful if it actually described why unsafeWindow is unsafe instead of asking us to take it on trust. I have attempted such an explanation, but it would benefit from checking by someone who knows more about it than I do, Dan 18:17, 5 September 2008 (EDT) Dan 08:02, 6 September 2008 (EDT)

@Photodeus Careful... this is part of the API and there will be consistency here... this isn't wikipedia's style. Marti 22:45, 28 April 2009 (EDT)

Danger, danger... high voltage!

Can we supply an example of HOW exactly unsafeWindow is unsafe? It reminds me of Statistics class. If your residual plot shows non-random scattering, "proceed with caution". And exactly what does proceeding with caution entail? QED. --aavindraa 02:18, 25 August 2009 (EDT)

Well you see... you stick the fork into the outlet and watch the pretty sparks fly! ;). As a general rule of thumb, in my circles, it's not a wise idea to teach someone to use kitchen utensils unwisely. ;) Marti 03:18, 27 August 2009 (EDT)

Does http://groups.google.com/group/greasemonkey-dev/tree/browse_frm/thread/933ecdb307c4386d/864b5121ad4698cb give enough detail? Someone should merge info from there in here. (Yes, "someone" might include me, at a future date.) Web-Crawling Stickler 06:55, 28 February 2010 (UTC)

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