CMS stands for Content Management Systems.
They are often open source, meaning the code and all the trappings are free to use. They are most commonly PHP-based.
I work for a software company that has built a .NET version, which we sell and integrate into enterprises with other Microsoft platform applications.
The site likely actually wasn’t hacked, but taken offline for a newer version to be implemented. There’s a reference to haX0rs which is probably just part of their ‘under construction’-esque image.
They usually use the joomla logo for updates. ax3L is a turkish hacking group. You can still get to their forum but the main site is offline with what looks like an index.php hack.
“The site likely actually wasnt hacked, but taken offline for a newer version to be implemented. Theres a reference to haX0rs which is probably just part of their under construction-esque image.”
The error message has change to a very generic ‘under maintenance’. I suspect it was actually hacked.
There’s really no reason a site like theirs should ever be down for maintenance. They could easily install a new version and just migrate over to it.
Serious implications for open source CMS.