NoRedirect Fx extension - ? exploitable gatekeeper

[Grumpy Old Lady]

The proliferation of url shortening use by correspondents and many of the feeds I subscribe to makes previewing tinyurl.com and bit.ly one of the bottlenecks in a browser session for me.
I dislike having to hand over usage information to these services, and the roadblock of setting a new cookie at every visit is a slow-down, just to get a preview, so I've looked for an extension to smooth the preview path.
http://code.kliu.org/noredirect/

What kinds of exploits am I opening Fx up to by giving Kai Liu the previewing task?
If any softness, is there anything NS/ABE can help with?
On my dumb reading of it, kliu.org is as straightforward as tinyurl.com and bit.ly for previewing redirection of urls.

[Giorgio Maone]

Looks a cool complement to NoScript (BTW, did you notice the plug in the "Miscellanea" section?)
Unless it has coding vulnerability of its own (e.g. insufficient sanitization of the URLs), it seems better to have than not.
I'll try to perform a quick code review ASAP.

[Giorgio Maone]

Code review performed, looks kosher and safe.
Installing for myself too

[dhouwn]

Compatible with Firefox 4 now.