WordPress Metform plugin through 2.1.3 is susceptible to information disclosure due to improper access control in the ~/core/forms/action.php file. An attacker can view all API keys and secrets of integrated third-party APIs such as that of PayPal, Stripe, Mailchimp, Hubspot, HelpScout, reCAPTCHA and many more.
View the template here CVE-2022-1442.yaml
References:
https://wordpress.org/plugins/metform/advanced/