Single Sign-On (SSO) with WSO2 Identity Server for WordPress OAuth | WSO2 SSO Login


Single Sign-On (SSO) using WSO2 Identity Server enables secure login into WordPress using WordPress OAuth & OpenID Connect Single Sign-On (SSO) plugin. Here we will go through a guide to configure WSO2 Identity server Single Sign-On (SSO) with WordPress. By the end of this guide, users should be able to login using WSO2 Single Sign-On (SSO) into WordPress. You can also configure plugins using different custom providers and standard IDPs. It supports advanced Single Sign-On (SSO) features such as user profile Attribute mapping, Role mapping, etc. To know more about the features we provide in WordPress SSO ( 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 WSO2 Single Sign-On (SSO) Login into WordPress

1. Setup WSO2 as OAuth Provider

  • First, let’s register this Consumer App in WSO2 IS. Download and start WSO2 IS.
  • WSO2 Single Sign-On (SSO) with WSO2 login credentials : appregister-wso2
  • Once logged in, go to Main -> Service Provider and click on Add.
  • WSO2 Single Sign-On (SSO) with WSO2 login credentials : sp-Add
  • Enter the Service Provider Name and Description and click on Register.
  • WSO2 Single Sign-On (SSO) with WSO2 login credentials : Enter-spname-description
  • Now go to the Service Provider->List and edit the Service Provider you have created.
  • Scroll down and select Inbound Authentication Configuration and then select OAuth/OpenID Connect Configuration and click on Configure.
  • WSO2 Single Sign-On (SSO) with WSO2 login credentials :wso2 configure
  • Select the OAuth Version 2.0 and enter the Redirect/Callback URL from the plugin in Callback URL field. Click on Add.
  • WSO2 Single Sign-On (SSO) with WSO2 login credentials :callbackURL
  • When the app has been added, Client ID and Client Secret are generated for the application. Configure the WordPress OAuth SSO plugin with Client ID, Client Secret, Authentication and Access Token, Get User Info Endpoint of WSO2. Endpoints are provided at the bottom of this guide.
  • WSO2 Single Sign-On (SSO) with WSO2 login credentials :getclient-secret
  • Attribute Mapping: To get attributes from WSO2 you have to add following Claim URIs in your WSO2 application.
  • Go to Service Provider->Claim Configuration.
  • Select https://wso2.org/claims/emailaddress from Subject Claim URI dropdown.
  • Add following URIs in Service Provider Claim Dialect: https://wso2.org/oidc/claim & https://wso2.org/claims
  • WSO2 Single Sign-On (SSO) with WSO2 login credentials : claim-url
  • You have successfully completed your WSO2 Server side configurations.

WSO2 Identity Server as an OAuth Provider is successfully configured from the above step for achieving WSO2 Single Sign-On (SSO) with WSO2 login credentials 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.
  • WSO2 Single Sign-On (SSO) OAuth - Add New Application
  • Choose your Application from the list of OAuth / OpenID Connect Providers, here WSO2
  • WSO2 Single Sign-On (SSO) OAuth - Select Application
  • Copy the Callback URL to be used in OAuth Provider Configuration. Click Next.
  • WSO2 Single Sign-On (SSO) OAuth - Callback URL
  • Insert the WSO2 domain here and click Next.
  • WSO2 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.
  • WSO2 Single Sign-On (SSO) OAuth - Client ID & Client Secret
  • Click on Finish to save the configuration.
  • WSO2 Single Sign-On (SSO) OAuth - Finish configuration

Single Sign-On (SSO) using the WSO2 Identity Server was successfully configured as OAuth Provider and WordPress as OAuth Client using our WordPress SSO (OAuth / OpenID Connect Client) plugin. This solution ensures that you can securely log in to the WordPress web application by establishing WSO2 Identity Server Single Sign-On (SSO) and using WSO2 login credentials for authentication.

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.
    • WSO2 Single Sign-On (SSO) with WSO2 login credentials : 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.
    • WSO2 Single Sign-On (SSO) with WSO2 login credentials : 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.
    • WSO2 Single Sign-On (SSO) with WSO2 login credentials : 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

6. Scopes & Endpoints

Please refer the below table for configuring the scope & endpoints for WSO2 in the plugin.

Scopes openid
Authorize Endpoint https://<domain-name>/oauth2/auth
Token Endpoint https://<domain-name>/oauth2/token
Userinfo Endpoint https://<domain-name>/oauth2/userinfo

In this Guide, you have successfully configured WSO2 Single Sign-On (SSO) by configuring WSO2 identity server as OAuth Provider and WordPress as OAuth Client using our WordPress SSO (OAuth / OpenID Connect Client) plugin. This solution ensures that you can securely log in to the WordPress web application by establishing WSO2 Identity Server Single Sign-On (SSO) and using WSO2 login credentials for authentication.

Additional Resources


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