Mini Orange is a great plugin for SAML SSO integration into Azure AD.
Their documentation is located HERE
The documentation misses a few key points.
- The SP-EntityID / Issuer url must be: https://wordpresssite.com/wp-content/plugins/miniorange-saml-20-single-sign-on and not https://wordpresssite.com/wp-content/plugins/miniorange-saml-20-single-sign-on/ Attribute Mapping
- User Name: Email Address
- Email: Email Address
- First Name: Given Name
- Last Name: Surname