The Active Directory Integration / LDAP Integration plugin for WordPress is vulnerable to LDAP Passback in versions up to, and including, 4.1.10. This is due to insufficient validation when changing the LDAP server. This makes it possible for authenticated attackers, with administrative access and above, to change the LDAP server and retrieve the credentials for the original LDAP server.

The Active Directory Integration / LDAP Integration plugin for WordPress is vulnerable to LDAP Injection in versions up to, and including, 4.1.5. This is due to insufficient escaping on the supplied username value. This makes it possible for attackers, with an existing account on a vulnerable WordPress instance, to extract potentially sensitive information from the LDAP directory.

The Active Directory Integration plugin for WordPress is vulnerable to Cross-Site Request Forgery leading to time-based SQL Injection via the orderby and order parameters in versions up to, and including, 4.1.4 due to missing nonce verification on the getusers function and insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for unauthenticated attackers to append additional SQL queries into already existing queries that can be used to cause resource exhaustion via a forged request granted they can trick an administrator into performing an action such as clicking on a link.

The Active Directory Integration plugin for WordPress is vulnerable to time-based SQL Injection via the orderby and order parameters in versions up to, and including, 4.1.4 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 privileges to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.