The RegistrationMagic WordPress plugin before 6.0.9.4 does not sanitise and escape a parameter before using it in a SQL statement, which could allow high privilege users such as admin to perform SQL injection attacks.

The RegistrationMagic WordPress plugin before 6.0.9.4 does not perform authorization, ownership or nonce checks on a front-end submission-editing action, allowing unauthenticated attackers to overwrite other users' form submissions and the profile fields of the associated non-administrator WordPress accounts.

The RegistrationMagic WordPress plugin before 6.0.9.4 does not properly validate that a one-time password presented in a cookie belongs to the identity being requested before returning front-end form submissions, allowing unauthenticated attackers to read other users' form submission data, including personal information.

The RegistrationMagic – User Registration Forms Plugin plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 6.0.9.1. This is due to missing or incorrect nonce validation on the processrequest function. This makes it possible for unauthenticated attackers to escalate the privileges of an arbitrary form submitter to administrator by creating a malicious Chronos automation task that is executed via WordPress cron via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

Unauthenticated Broken Authentication in RegistrationMagic <= 6.0.8.6 versions.

The RegistrationMagic – Custom Registration Forms, User Registration, Payment, and User Login plugin for WordPress is vulnerable to privilege escalation due to a missing capability check on the updateusersrole() function in all versions up to, and including, 5.3.0.0. This makes it possible for authenticated attackers, with subscriber-level access and above, to escalate their privileges to that of an administrator

The RegistrationMagic – User Registration Plugin with Custom Registration Forms plugin for WordPress is vulnerable to privilege escalation via account takeover in all versions up to, and including, 6.0.2.6. This is due to the plugin not properly validating the password reset token prior to updating a user's password. This makes it possible for unauthenticated attackers to reset the password of arbitrary users, including administrators, and gain access to these accounts.

The RegistrationMagic – Custom Registration Forms, User Registration, Payment, and User Login plugin for WordPress is vulnerable to PHP Object Injection in all versions up to 3.7.9.3 (exclusive) via deserialization of untrusted input from the isexpiredbydate() function. This makes it possible for unauthenticated attackers to inject a PHP Object. The additional presence of a POP chain allows attackers to fetch a remote file and install it on the site.

The RegistrationMagic – Custom Registration Forms, User Registration, Payment, and User Login plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘paymentmethod’ parameter in all versions up to, and including, 6.0.4.3 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Subscriber-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

The RegistrationMagic – Custom Registration Forms, User Registration, Payment, and User Login plugin for WordPress is vulnerable to SQL Injection in all versions up to, and including, 6.0.6.2 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for authenticated attackers, with administrator access or higher, to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database. An unauthenticated attacker could utilize an injected Cross-Site Scripting via user-agent on form submission to leverage this to achieve Reflected Cross-Site Scripting.

The RegistrationMagic WordPress plugin before 6.0.7.2 does not have proper capability checks, allowing subscribers and above to create forms on the site.

The RegistrationMagic WordPress plugin before 6.0.2.1 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfilteredhtml capability is disallowed (for example in multisite setup).