Comodo Forums Hack Exposes 245,000 Users' Data — Recent vBulletin 0-day Used

They’re using vBulletin, which is a rather ancient community platform:

It’s worth noting that Comodo forum was hacked on September 29, almost four days after vBulletin developers released a patch to let administrators address the vulnerability, but the company failed to apply the patches on time.

#PatchYourShit