We just received a message from the system managers of an OJS installation (3.0.2) which was defaced.
They sent a few links to check how to perform the attack and news on the “epidemic”. Once more, this “openjournalsystems.com” is targeting OJS, but we’d like a formal response from PKP so that we can provide a safe environment and permanent solution to this defacing problem.
There are two relevant responses on the PKP blog:
Public Knowledge Project Team
Thank you @asmecher!!
I hoped it was those!
Their link is down, so I can’t be sure what kind of “hacking” or defacing was done.