Provide references for CVE-2015-9429.
Where can I find more information about CVE-2015-9429?
References are available at: https://wpvulndb.com/vulnerabilities/8285, https://wordpress.org/plugins/yith-maintenance-mode/#developers, http://cinu.pl/research/wp-plugins/mail_3a14a77571c73684103e0f517a92d757.html.