A website without security issues is hard to find, so it seems to-day.
The WordPress Security Scan turned out OK, no outdated plug-ins and themes, no User Enumeration and Directory Indexing enabled, no other insecurities found up.
Still jQuery code to be retired, because found vulnerable:
hxtp://www.vadderland.info/index.php/
Detected libraries:
jquery-migrate - 1.2.1 : -http://www.vadderland.info/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/
jquery - 1.11.3 : (active1) -http://www.vadderland.info/wp-includes/js/jquery/jquery.js?ver=1.11.3
(active) - the library was also found to be active by running code
1 vulnerable library detected
Also this external link was being blocked for me inside the browser:
uBlock₀ has prevented the following page from loading:
-https://static.doubleclick.net/instream/ad_status.js
Because of the following filter
-||static.doubleclick.net^
Found in: hpHosts’ Ad and tracking servers • MVPS HOSTS
polonus (volunteer website security analyst and website error-hunter)