Provide references for CVE-2018-17859.
Where can I find more information about CVE-2018-17859?
References are available at: http://www.securityfocus.com/bid/105559, http://www.securitytracker.com/id/1041914, https://developer.joomla.org/security-centre/751-20181001-core-hardening-com-contact-contact-form.html.