It's been a long time from when I've find it with the help of a friend of mine. Now, I've decided to release it.
Not the usual Bullsh*ts or some stupid survey. After a long time, here is a TRUE exploit that works (not for much longer) on Monster-WoW and MAYBE on other 4.06 servers:
Here
If the page doesn't work refresh it. There are too peoples on the server :S
That's not SO easy, but if done right, you can dupe Arena points, emblems honor and much more. If you have some new ideas of how to use it let me know!