The customizer allows an attacker to bypass intended redirection restrictions via unspecified vectors.
Related records:
http://db.threatpress.com/vulnerability/wordpress/wordpress-4-5-2-bypass
http://db.threatpress.com/vulnerability/wordpress/wordpress-4-5-2-bypass-1
http://db.threatpress.com/vulnerability/wordpress/wordpress-4-5-2-bypass-2
Update WordPress.