Provide references for CVE-2015-9457.
Where can I find more information about CVE-2015-9457?
References are available at: https://wpvulndb.com/vulnerabilities/8249, https://wordpress.org/plugins/pretty-link/#developers, http://cinu.pl/research/wp-plugins/mail_9ca443a3759e5c7fd889ae0e02e044e6.html.