Today I tried to log in to my Wordpress blog but I got a 500 error page!

I never had this problem.

Has my site been hacked?

The URL is http://celeblogs.info

Looks more like the files have been deleted.

What files? I checked with Filezilla and nothing seems to be missing?

Originally Posted by klajdi2

What files? I checked with Filezilla and nothing seems to be missing?

Click on the link you posted and all you will see is a directory. Lots of files missing I would guess.

If you havent done it yourself make sure yo change your login id/password asap. Some of the files on your root dir are missing.

Oh, I see. So, now what? Reinstall Wordpress?
How can I do it without loosing my posts?

I can't do that since I can't log in to my dashboard.

http://celeblogs.info/wp-login.php

That's 'cos you ain't got a "dashboard" now all the files have gone.

Your Db should still be intact (in theory) so replacing the files and editing the config file should restore everything.

Change your FTP username & passwords, cPanel password and any other passwords you have.

yes, But also ask your host if they have files. i Know its late but atleast try. Its possible to have your backup in your host's servers.

Oh, I see. So, now what? Reinstall Wordpress?
How can I do it without loosing my posts?

Chris is once again correct if you are doing a manual install.

OTOH, if you are installing using any auto installer, back up your database before you run the program. Then you can import your data if it is actually there.

It does look like you were hacked and your files deleted. Change all passwords as suggested above.

OK, guys thanks, but as you can see I'm a newbie.
So, can you please give more detailed instructions.

i think you have to reinstall your wordpress and backup your files through your ftp program

Yes, reinstall your wordpress to replace missing files.