http://us.battle.net/wow/en/forum/topic/3988231386#5

We're aware of this issue and looking into it right now. It's likely we won't have further updates for you until we're back in the office in the morning PST.

Just as a reminder from the Terms of Use:

C. Rules Related to Game Play.
(i) Using or exploiting errors in design, features which have not been documented, and/or "program bugs" to gain access that is otherwise not available, or to obtain a competitive advantage over other players.