this is an easy hacking technique, i’ve done that 3 times yesterday when trying to create users/blogs…
you can delete these users by going in the _signups table… the problem is that WordPress is not taking into consideration the registrations that are not completed, they store them in the signups table and they can not be reached when you check for users… so when a user create an account with a blog, the whole process is created but not verified… you can then visit the site without being logged in and without a trace.
WP 3.0 is different in that technique… but i suppose we could find a tweak right now.
Sounds like someone exploited a WordPress vulnerability on your site.
Are you using the latest version of WPMU / BuddyPress?
If so, did you upgrade?
You might want to read these posts:
https://wordpress.org/development/2009/09/keep-wordpress-secure/
https://codex.wordpress.org/FAQ_My_site_was_hacked
stwc’s summary of methods does seem to stop a lot of spam, but I’ve still been having some. I tried SI Capthca (https://wordpress.org/extend/plugins/si-captcha-for-wordpress) but that seemed completely ineffective.
My latest weapon in the war has been to modify Invisible Defender (https://wordpress.org/extend/plugins/invisible-defender) firstly to make it work with the buddypress registration page and secondly obfuscate its hidden fields by giving them random names and values:
http://bcbc.co.uk/mu/blog/2009/12/11/wordpress-registration-spam/
Glad you got it working. It’s possible to change, but not easy. Of course, ensuring you’ve backed up EVERYTHING:
In the Admin, go to the Site Admin -> Blogs page. For each blog, click the edit link. You’ll then want to update the fields to be consistent with the *new* location you want each blog (i.e. check Domain, Path, Siteurl, Home, Fileupload Url).
Then, there’s one line in the wordpress config file that tells WPMU to use subdomains instead of subdirectories. Change:
define('VHOST', 'yes');
to:
define('VHOST', 'no');
Updating my previous post, if anyone is curious, a wikimedia styled wordpress theme was just released. Combined with my earlier plugin, you could already make a wordpress wikimedia for a normal install.
You can download it here.
Why not just use the already worked on wp wiki plugin which has the basics?
Andy, John… Everyone: Thanks! 
After reading all these replies, I start searching everything related to what u guys said. Then, I found this: https://mu.wordpress.org/forums/topic/2039?replies=4
Best regards,
Anderson
@duquebilly
This would be great. I’d also prefer a simple purpose-built solution that leverages the tools already built into WordPress… but any solution would be awesome at this point.
I would like to know if you know where I can find a step by step tutorial on how and what do I need in order to integrate the buddypress functions like members, profile and everithing on my actual WP-Theme.
I SAW detective’s post but I would like to get more explanation or a place where I can find a step by step tutorial
I asked you this because I saw some off you post on buddypress forum: http://buddypress.org/forums/topic/new-theme-framework-and-exisiting-wp-themes
http://buddypress.org/forums/topic/extending-wordpress-themes-post-experiences
But I would like to know if it work with the new structure of buddypress and new version.
Because what I want to do is something like on this page: http://h-mag.com or http://vivanista.com
I’m using WPMU 2.8.6 and the latest buddypress plugin 1.1.3
Thanks for help me
I agree. We are doing a number of Stakeholder Engagement programs with Local Government in the UK. The #1 driver for our customers is improving communication throughout a geographically diverse workforce. Local Government is awash with failed intranets/collaboration websites, with ms sharepoint the most common platform. There is big opportunity to build discrete tools like you say (project management/document management etc) on top of wordpress, buddypress. Buddypress will win because it’s focused on engagement not transactional processes. Getting the community engaged is the real challenge and Andy P and the wordpress team naturally understand that.
Thanks David… do you think since I have wordpress MU that I should just create a separate blog just for the contest? I guess I am asking all the questions that I can so I make the right decision. I really appreciate your help
!!
I would like to know if you know where I can find a step by step tutorial on how and what do I need in order to integrate the buddypress functions like members, profile and everithing on my actual WP-Theme.
I asked you this because I saw some off you post on buddypress forum: http://buddypress.org/forums/topic/new-theme-framework-and-exisiting-wp-themes
http://buddypress.org/forums/topic/extending-wordpress-themes-post-experiences
But I would like to know if it work with the new structure of buddypress and new version.
Because what I want to do is something like on this page: http://h-mag.com or http://vivanista.com
I’m using WPMU 2.8.6 and the latest buddypress plugin 1.1.3
Thanks for help me
ahh I see your problem ,while i checked your site.
1.You have wordpress mu installed in a subdirectory wpmu
2.But you have installed wordpress mu to use subdomain style address ,which will not work.
Workaround
1.Install wordpress mu in wpmu(subdirectory as it is now) but at the time of installation select “Sub- directories” and go ahead, your wpmu will work correctly and you will have blogs with address as
idotter.ch/wpmu/blog_address
Or
2.Install wpmu in the root domain with subdomain style,enable wildcard subdomain and you will have blogs like blog.yoursite.com working.
Hope it helps.
Blakicemg,
Did that method work for you? I am trying to do the same thing: merge BuddyPress with an old WordPress theme
I agree that it’s a big step forward from a usability point of view. The two column side navigation confuses everyone at first (and second) glance. And constancy is critical in user interface design. Floating the admin bar is a great usability idea too. And the “New Post” and “New Group” buttons on those directory pages is absolutely brilliant. That’s a huge leap in usability. People are always very confused with the current Forums directory page. So that’s all great! Very good work.
What I’m really missing though is all the beautiful little details from the previous design. Those ‘speech bubble’ arrows on the title backgrounds (although they were somewhat overused). The nice gradients on the title backgrounds. The beautiful (and useful) little icons in the navigation. The beautiful rounded buttons with their little arrows, icons, checkmarks and busy cursors. And just the overall brand feel of the yellow orange and grey. It really was (and still is) a beautiful design. But generic makes more sense for a default theme. Like the Kubrik theme for WordPress. And easier theme development is always good. I also recognize the the new theme is a work in progress.
Two options… look into the Kaltura plugin:
https://wordpress.org/extend/plugins/buddypress-kaltura-media-component/
Or just search for a regular (non-BuddyPress) WordPress plugin and host the video contest on the main blog (as opposed to living within the social context of BuddyPress).
How can you or better yet is there a way to run a video contest using buddypress? Can the users upload a video and then get rated and voted on? My site is already wpmu/buddypress.bbpress enabled and I am now ready to launch the site. I would like to launch the site with 2 video contest one for dancers and one for basketball players. Is this possible or do I need to get rid of WordPress for this? I love the way wordpress allows us to be able to have a site that is interactive and can post easily everyday and to use other software would be devastating to what we would like to accomplish. Any help will be appreciated and if I posted this in the wrong place I apologize this is my first post asking for help.
Nickey
I have similar issues with the woo Journal Theme, and will send it out to professionals as soon as I find one.
http://net4us.us
If you really need a nice shop plugin, which is easy to use and don’t mind paying for it, go for the shopp wordpress plugin. Used it before and it works great. Heard they started supporting wpmu now as well.
a vsp host that takes 9 hours to install any WordPress component is purely incompetent… move your site somewhere else, please…
even some cheap hosting like hostgator are taking max 10 minutes to install the whole thing… they even get free support to help you out.
when you take 9 hours to install a script that is released by millions, you seriously have a lack of knowledge in the web industry.
https://wordpress.org/extend/plugins/eshop/
Not sure how well it works with buddypress, but I suppose it shouldn’t make any difference. I’m planning on using that plugin myself as well.
I just installed latest wordpressmu and buddypress. Took me and my VPS’s tech support about 9 hours to get things to a basic “ok†This installation issue could well kill buddypress before it gets going.
“That” page is actually a WordPress page and as such has not much to do with BP. Let Andy take care of the more important things…
With basic skill level however you should be able to do that yourself like so: http://www.problogdesign.com/wordpress/custom-wordpress-login-screen/
Are there any important hardcoded theme changes in this one Andy (apart from the obvious total css renewal?