Question My website may have been hacked

Hi everyone;
I installed 1.6.0 on my site Kunena forum, I did all kinds of settings.
However, a hacker group "to close holes," in Kunena / index, left the post.
Upgrade to 1.6.1 (sql inj. When I wrote the code returns an error, have turned).
What can be done?

Hello,

It's not clear your explanation, can-you maybe give a link to your site.

www.ailehekimleri.biz/forum/index.html

I advise you to unintall kunena and re-install it and set these files permissions : docs.joomla.org/What_are_the_recommended...ctory_permissions%3F and maybe docs.joomla.org/Where_can_you_learn_more..._file_permissions%3F

The link posted in the msg #3 above results in the message (in Turkish)

Close the holes. Only warning. / / Quest - Speed Mefsedet Team

This URL is not the URL of the Kunena forum installed on that website.

The URL of the forum is www.ailehekimleri.biz/forum.html

I can't see which post contains the offending message. Your site may or may not have been hacked. I don't know. I don't understand Turkish (except through Google Translate).

Here are the Google results for the term Devri Mefsedet .

if klik www.mysite.com/forum/?p=1#comments
this massage see.

Agoni wrote: if klik www.mysite.com/forum/?p=1#comments
this massage see.

This link does not show us anything. Sorry.

thank you very much.
www.ailehekimleri.biz/forum/?p=1#comments ,show hacked message

I've seen that message. You wrote that someone posted "something" on your forum.

Agoni wrote:

However, a hacker group "to close holes," in Kunena / index, left the post. Upgrade to 1.6.1 (sql inj. When I wrote the code returns an error, have turned).

Where was this? In what category of your forum and what was the topic. I can't find this post. The link you gave does not give me enough information to understand how your problems first started.

thank you very much.
I see my mistake
I my first forum is wp, hole is may be wp.
Sorry all