IdentityServer4 OAuth & OpenID Connect Single Sign-On (SSO) | IdentityServer4 SSO Login

IdentityServer4 OAuth & OpenID Connect Single Sign-On (SSO) | IdentityServer4 SSO Login


Configure IdentityServer4 Single Sign-On (SSO) with WordPress OAuth & OpenID Connect Single Sign-On (SSO) plugin. Enable secure login into WordPress using IdentityServer4 as OAuth and OpenID Connect provider. IdentityServer4 Single Sign-On (SSO) with WordPress allows your users to login to your WordPress and access the site by authenticating with their IdentityServer4 identity provider. You can also configure plugin using different IDPs such as Azure AD, Office 365, and other custom providers. It supports advanced Single Sign-On (SSO) features such as user profile Attribute mapping, Role mapping, multi-tenant login etc. Here we will go through a guide to configure IdentityServer4 Single Sign-On (SSO) with WordPress for user authentication. By the end of this guide, users should be able to perform secure login to WordPress and access the site with IdentityServer4 SSO. To know more about other features we provide in WP OAuth Single Sign-On ( OAuth & OpenID Connect Client ) plugin, you can click here.

Pre-requisites : Download And Installation


  • Log into your WordPress instance as an admin.
  • Go to the WordPress Dashboard -> Plugins and click on Add New.
  • Search for a WordPress OAuth Single Sign-On (SSO) plugin and click on Install Now.
  • Once installed click on Activate.

Steps to configure IdentityServer4 Single Sign-On (SSO) Login into WordPress

1. Setup IdentityServer4 as OAuth Provider

  • Set up IdentityServer4 using guidelines provided here.
  • From Configure OAuth tab in Oauth Client plugin, collect Redirect/Callback URL and enter it into your IdentityServer4.
  • Copy your Client ID and Client Secret and save it on your miniOrange OAuth Client plugin Configuration.
  • You have successfully completed your IdentityServer4 OAuth Server side configurations.
  • In Plugin, Add Custom Application.
  • Enter your app name and use the following information to fill the details.

You have successfully configured IdentityServer4 as OAuth Provider for achieving IdentityServer4 login into your WordPress Site.


2. Setup WordPress as OAuth Client


  • Go to Configure OAuth tab and click Add New Application to add a new client application into your website.
  • Identity Server Single Sign-On (SSO) OAuth - Add New Application
  • Choose your Application from the list of OAuth / OpenID Connect Providers, here Identity Server
  • Identity Server Single Sign-On (SSO) OAuth - Select Application
  • Copy the Callback URL to be used in OAuth Provider Configuration. Click Next.
  • Identity Server Single Sign-On (SSO) OAuth - Callback URL
  • Insert the Identity Server domain here and click Next.
  • Identity Server Single Sign-On (SSO) OAuth - Add App name, TenantID
  • Client Credentials like Client ID & Client Secret is shown in the setup dialogue box, openid is already filled. Click Next.
  • Identity Server Single Sign-On (SSO) OAuth - Client ID & Client Secret
  • Click on Finish to save the configuration.
  • Identity Server Single Sign-On (SSO) OAuth - Finish configuration

You have successfully configured WordPress as OAuth Client for achieving user authentication with Identity Server Single Sign-On (SSO) login into your WordPress Site.

3. User Attribute Mapping

  • User Attribute Mapping is mandatory for enabling users to successfully login into WordPress. We will be setting up user profile attributes for WordPress using below settings.
  • Finding user attributes

    • Go to Configure OAuth tab. Scroll down and click on Test Configuration.
    • wordpress oauth client plugin : test congifuration
    • You will see all the values returned by your OAuth Provider to WordPress in a table. If you don't see value for First Name, Last Name, Email or Username, make the required settings in your OAuth Provider to return this information.
    • wordpress oauth client plugin sso : test congifuration result
    • Once you see all the values in Test Configuration, go to Attribute / Role Mapping tab, you will get the list of attributes in a Username dropdown.
    • wordpress oauth client plugin sso : attribute/role mapping

    4: Role Mapping [Premium]

    • Click on “Test Configuration” and you will get the list of Attribute Names and Attribute Values that are sent by your OAuth provider.
    • From the Test Configuration window, map the Attribute Names in the Attribute Mapping section of the plugin. Refer to the screenshot for more details.
    • wordpress oauth client plugin sso : attribute mapping
    • Enable Role Mapping: To enable Role Mapping, you need to map Group Name Attribute. Select the attribute name from the list of attributes which returns the roles from your provider application.
      Eg: Role

    • wordpress oauth client plugin sso : test configuration - role mapping
    • Assign WordPress role to the Provider role: Based on your provider application, you can allocate the WordPress role to your provider roles. It can be a student, teacher, administrator or any other depending on your application. Add the provider roles under Group Attribute Value and assign the required WordPress role in front of it under WordPress Role.

      For example, in the below image. Teacher has been assigned the role of Administrator & Student is assigned the role of Subscriber.
    • wordpress oauth client plugin sso : test configuration - role mapping
    • Once you save the mapping, the provider role will be assigned the WordPress administrator role after SSO.
      Example: As per the given example, Users with role ‘teacher’ will be added as Administrator in WordPress and ‘student’ will be added as Subscriber.

    5. Sign In Settings

    • The settings in Single Sign-On (SSO) Settings tab define the user experience for Single Sign-On (SSO). To add a Okta login widget on your WordPress page, you need to follow the below steps.
      • Go to WordPress Left Panel > Appearances > Widgets.
      • Select miniOrange OAuth. Drag and drop to your favourite location and save.
      •  Okta  Single Sign-on (SSO) - WordPress create-newclient login button setting
      • Go to WordPress Left Panel > Appearances > Widgets.
      • Select miniOrange OAuth. Drag and drop to your favourite location and save.
      • Okta Single Sign-on (SSO) - WordPress create-newclient login button setting
      • Open your WordPress page and you can see the Okta SSO login button there. You can test the Okta Single Sign-On (SSO) now.
      • Make sure the "Show on login page" option is enabled for your application. (Refer to the below image)
      • Okta Single Sign-on (SSO) - WordPress create-newclient login button setting
      • Now, go to your WordPress Login page. (Eg. https://< your-wordpress-domain >/wp-login.php)
      • You will see an Okta SSO login button there. Once you click the login button, you will be able to test the Okta Single Sign-On (SSO).
      • Okta Single Sign-on (SSO) - WordPress create-newclient login button setting

In this Guide, you have successfully configured IdentityServer4 Single Sign-On (SSO) by configuring IdentityServer4 as OAuth Provider and WordPress as OAuth Client using our WP OAuth Single Sign-On ( OAuth & OpenID Connect Client ) plugin. This solution ensures that you are ready to roll out secure access to your WordPress site using IdentityServer4 login credentials within minutes.

6. Scope & Endpoints

Please refer the below table for configuring the scope & endpoints for IdentityServer4 in the plugin.

    Client ID : Click Here
    Client Secret : Click Here
    Scope: openid
    Authorize Endpoint: https://<your-domain>/connect/authorize
    Access Token Endpoint: https://<your-domain>/connect/token
    Get User Info Endpoint: https://<your-domain>/connect/userinfo
    Custom redirect URL after logout[optional] : https://<your-domain>/connect/endsession?id_token_hint=##id_token##&post_logout_redirect_uri=<redirect-url-after-logout>

Additional Resources


Mail us on oauthsupport@xecurify.com for quick guidance(via email/meeting) on your requirement and our team will help you to select the best suitable solution/plan as per your requirement.

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