No, there is a phpBB worm out there that has exploited thousands of unpatched phpBB systems out there. Basically I have thousands of machines trying to exploit my system, unsuccessfully, but it is basically causing a denial of service (DoS) on my forum. See here:
I'm about to put a rewrite rule in place to prevent this. I've been out for the holidays so it's probably not been up for the last couple of days.