I have build a small wordpress site with two users with role=author. Recently spam posts are made from those two of the users - they are infrequent (one pr month of so), short, without any links and with random subjects like:
"Is It Possible To Speed Read Like These Famous Pace Visitors", "Welcome world" and "Infact, a decade previously classic writers used the tips to advertising and circulating publications."
I have reset their passwords and seems it has helped although I cannot be sure due to the infrequent posts made.
Now I wonder how is this possible and what to do about it.