From what little info is in the article, it appears there is a security hole only if the user intentionally leaves all the security options off. Kinda like leaving your car running with the doors unlocked, and claiming you "found" a security flaw in the car's design. If on the other hand, you practice just the slightest bit of security, you are safe.
Apple must be lagging in sales, these "flaws" are getting more and more silly, lol.
This is a result of the default install. Most Windows users don't have a clue how to change the default install.