I just happened upon this old post of mine by accident:
And it looks really weird, full of code all including links to kintera.org (I went there - an "internet solutions" company). It looks like this in both Firefox and Safari.
When I view the post in my WP editor, it is fine. The html looks normal and the visual editor displays it correctly.
I can just delete this post, but I am worried that: 1) If someone did hack the blog, how did they do it? and 2) How can I tell if any other posts are affected without having to look at each of them individually (there are 566 of them).
I appreciate any insight into this, and thanks so much for the help!