We do know about it, I've been researching it all evening.
AmiBay and ClassicAmiga have both been hit with the same script exploit attack that hit Aminet.
It has only been partially effective and the root access, FTP and e-mail have not been compromised. A config file has been corrupted and there is a URL redirect to an ibiz.cc site in place, however, this is only affecting the home page. You should block this ibiz.cc redirect if it comes up on your machine.
If a Java icon appears in your Systray, you should kill it immediately, as this is part of the exploit that is attempting to download malware to your machine.
We hope to have this repaired by tomorrow morning. We backed up the site early this morning and once we have checked the backup config files, we can get the site fully functional again.
In the interim, you can access via any other AmiBay page except the home page. A Google link that isn't the home page will let you access the site, but please ensure that your anti-virus and malware protection is up to date.
WotTheFook aka Merlin