Well, Eddy, that is but part of the story, as there is also javascript out there, that better could get retired right away!
Detected libraries:
jquery-migrate - 1.2.1 :-http://www.pds.inf.br/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 : -http://www.pds.inf.br/wp-includes/js/jquery/jquery.js?ver=1.11.3
1 vulnerable library detected

WP CMS issues: Warning User Enumeration is possible login detectable
and Warning Directory Indexing Enabled

Site would also be vulnerable to SEO Pharma Spam…

So not only issues that are IP related, the website itself is also open to vulnerbilities and therefore insecure.

polonus