WordPress WPS Hide Login plugin before 1.9.1 is susceptible to incorrect authorization. An attacker can obtain the secret login page by setting a random referer string and making a request to /wp-admin/options.php as an unauthenticated user. This reveals the secret login location.
View the template here CVE-2021-24917.yaml
References:
https://github.com/ARPSyndicate/cvemon