Insecure WordPress website hacked and defaced...

http://killmalware.com/sterlingbrains.com/#
WordPress Version
4.2.4
Version does not appear to be latest 4.4 - update now.
The following plugins were detected by reading the HTML source of the WordPress sites front page.

revslider
recent-tweets-widget latest release (1.6.4)
http://wordpress.org/extend/plugins/recent-tweets-widget/
js_composer
contact-form-7 latest release (4.3.1)
http://contactform7.com/
LayerSlider

Warning Directory Indexing Enabled
In the test we attempted to list the directory contents of the uploads and plugins folders to determine if Directory Indexing is enabled. This is an information leakage vulnerability that can reveal sensitive information regarding your site configuration or content.

/wp-content/uploads/ enabled
/wp-content/plugins/ disabled
Directory indexing was tested on the /wp-content/uploads/ and /wp-content/plugins/ directores. Note that other directories may have this web server feature enabled, so ensure you check other folders in your installation. It is good practice to ensure directory indexing is disabled for your full WordPress installation either through the web server configuration or .htaccess.

-http://sterlingbrains.com
Detected libraries:
jquery-migrate - 1.2.1 : -http://sterlingbrains.com/wp-includes/js/jquery/jquery-migrate.min.js?ver=1.2.1
Info: Severity: medium
http://bugs.jquery.com/ticket/11290
http://research.insecurelabs.org/jquery/test/
1 vulnerable library detected

The hack is only for this url: https://oscarotero.com/embed/demo/index.php?url=http://sterlingbrains.com/

For me personally the hack is being thwarted by Adguard code on that website, so I cannot see the defaced page that way… http://toolbar.netcraft.com/site_report?url=http://sterlingbrains.com
for reversed DNS see: http://toolbar.netcraft.com/site_report?url=http://stats.artwork.mysitehosted.com

polonus