The SAML SSO Standard WordPress plugin version 16.0.0 before 16.0.8, SAML SSO Premium WordPress plugin version 12.0.0 before 12.1.0 and SAML SSO Premium Multisite WordPress plugin version 20.0.0 before 20.0.7 does not validate that the redirect parameter to its SSO login endpoint points to an internal site URL, making it vulnerable to an Open Redirect issue when the user is already logged in.

The 'LDAP Integration with Active Directory and OpenLDAP - NTLM & Kerberos Login' extension is vulnerable to LDAP Injection since is not properly sanitizing the 'username' POST parameter. An attacker can manipulate this paramter to dump arbitrary contents form the LDAP Database.

The Login with Cognito WordPress plugin through 1.4.8 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 unfiltered_html capability is disallowed (for example in multisite setup).

Cross-Site Request Forgery (CSRF) vulnerability in REST API Authentication plugin <= 2.4.0 on WordPress.

Broken Access Control vulnerability in miniOrange's Google Authenticator plugin <= 5.6.1 on WordPress.

The miniOrange Discord Integration WordPress plugin before 2.1.6 does not have authorisation and CSRF in some of its AJAX actions, allowing any logged in users, such as subscriber to call them, and disable the app for example

Authentication Bypass vulnerability in miniOrange WP OAuth Server plugin <= 3.0.4 at WordPress.

Authentication Bypass vulnerability in miniOrange OAuth 2.0 client for SSO plugin <= 1.11.3 at WordPress.

The OAuth Single Sign On WordPress plugin before 6.22.6 doesn't validate that OAuth access token requests are legitimate, which allows attackers to log onto the site with the only knowledge of a user's email address.

The Malware Scanner WordPress plugin before 4.5.2 does not sanitise and escape some of its settings, leading to malicious users with administrator privileges to store malicious Javascript code leading to Cross-Site Scripting attacks when unfiltered_html is disallowed (for example in multisite setup)