In case you are a Joomla! website owner do check your website as soon as possible. Joomla! is a well know CMS, second in popularity only to WordPress and as any other CMS does requires regular upgrades and updates.

In this case, Joomla! official website has released Joomla! 3.6.4 with two high priority Security Fixes. Both of these fixes prevent unwanted i.e. hacked users from registering on the website and thus exploiting it.
So even if the registration process has been disabled hackers can still create users that control the site, while the elevated privileges bug could enable users to perform advanced functions that ordinary users are not authorized to do.

What we’ve noticed with these releases is that as soon as they become publicly known, hackers start crawling the internet for sites with those exact vulnerabilities in hope owners did not know or are late to update their website.

Therefore waste no time and get this release as soon as possible as your site is otherwise at great risk!

For more information about this release please visit https://docs.joomla.org/Category:Version_3.6.4_FAQ
and https://www.joomla.org/announcements/release-news/5678-joomla-3-6-4-released.html

Of course if you need experts to check your site if you feel it has already been compromised or you would to be sure it does not even happen, we would be more than happy to help!

Ivana

Security Guru

OneHourSiteFix.com
Helping Make Internet A Safer Place!

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