Azure B2C WordPress SSO Login | Single Sign-On (SSO) with Azure B2C SAML IdP

Azure B2C WordPress SSO Login | Single Sign-On (SSO) with Azure B2C SAML IdP


Azure B2C Single Sign-On (SSO) login for WordPress [SAML] can be achieved by using our WordPress SAML SP Single Sign-On (SSO) plugin. Our SSO solution will make WordPress SAML 2.0 compliant Service Provider establishing trust between the WordPress site and Azure B2C to securely authenticate and login users to the WordPress site. Our WordPress Single Sign-On (SSO) solution helps to secure WordPress sites behind the SSO login so that users are authenticated using their Azure B2C login credentials.

Here we will go through a guide to configure SAML Single Sign-On SSO login between WordPress site and Azure B2C by considering Azure B2C as IdP (Identity Provider) and WordPress as SP (Service Provider). Our SSO plugin provides Unlimited user authentications from Azure B2C. To know more about other features we provide in WordPress SAML Single Sign-On (SSO) plugin, you can click here.

Pre-requisites : Download And Installation

  • Log into your WordPress instance as an Admin.
  • Go to the WordPress DashboardPlugins and click on Add New.
  • Search for WordPress Single Sign-On (SSO) plugin and click on Install Now.
  • Once installed click on Activate.
  • Access the WordPress SSO Plugin for configuring Azure B2C as SAML IdP for WordPress by clicking below:

    Step-by-step video to setup WordPress Azure B2C SSO / Login with Azure B2C into WordPress (WP)


    Steps to configure Azure B2C Single Sign-On (SSO) Login into WordPress (WP)

    1. Setup Azure B2C as IdP (Identity Provider)

    Follow the steps below to configure Azure B2C as an Identity Provider

    miniorange img Configure Azure B2C as IdP
    • In the WordPress SAML SP SSO plugin, navigate to Service Provider Metadata tab. Here, you can find the SP metadata such as SP Entity ID and ACS ( AssertionConsumerService ) URL which are required to configure Azure B2C as the Identity Provider.
    • Azure B2C WordPress SSO - Azure Single Sign-On(SSO) Login in WordPress - initiated sso

    2. Register Azure B2C Applications:

    miniorange img Register the Identity Experience Framework application
    • Login into Azure B2C Portal
    • From the Azure AD B2C tenant, select App registrations, and then select New registration.
    • Azure B2C WordPress SSO - Azure Single Sign-On(SSO) Login in WordPress - Identity Experience FrameWork
    • For Name, enter IdentityExperienceFramework.
    • Under Supported account types, select Accounts in this organizational directory only.
    • Azure B2C WordPress SSO - Azure Single Sign-On(SSO) Login in WordPress - Register an Application
    • Under Redirect URI, select Web, and then enter https://your-tenant-name.b2clogin.com/your-tenant-name.onmicrosoft.com, where your-tenant-name is your Azure AD B2C tenant domain name.
    • NOTE:

      In the following step if the 'Permissions' section is not visible then it might be the reason that you don't have an active AzureAD B2C subscription for that tenant. You can find the details regarding the AzureAD B2C subscription here and you can create a new tenant by following the steps here.


    • Under Permissions, select the Grant admin consent to openid and offline_access permissions check box.
    • Select Register.
    • Azure B2C WordPress SSO - Azure Single Sign-On(SSO) Login in WordPress - Redirect URL
    • Record the Application (client) ID for use in a later step.
    • Azure B2C WordPress SSO - Azure Single Sign-On(SSO) Login in WordPress - Application Client ID
    miniorange img Register the Identity Experience Framework application
    • Under Manage, select Expose an API.
    • Select Add a scope, then select Save and continue to accept the default application ID URI.
    • Azure B2C WordPress SSO - Azure Single Sign-On(SSO) Login in WordPress - Expose an api
    • Enter the following values to create a scope that allows custom policy execution in your Azure AD B2C tenant:
      1. Scope name: user_impersonation
      2. Admin consent display name: Access IdentityExperienceFramework
      3. Admin consent description: Allow the application to access IdentityExperienceFramework on behalf of the signed-in user.
    • Select Add scope
    • Azure B2C WordPress SSO - Azure Single Sign-On(SSO) Login in WordPress - custom scopes
    miniorange img Register the ProxyIdentityExperienceFramework application
    • Select App registrations, and then select New registration.
    • For Name, enter ProxyIdentityExperienceFramework.
    • Under Supported account types, select Accounts in this organizational directory only.
    • Azure B2C WordPress SSO - Azure Single Sign-On(SSO) Login in WordPress - Original Directory
    • Under Redirect URI, use the drop-down to select Public client/native (mobile & desktop).
    • For Redirect URI, enter myapp://auth.
    • Under Permissions, select the Grant admin consent to openid and offline_access permissions check box.
    • Select Register.
    • Azure B2C WordPress SSO - Azure Single Sign-On(SSO) Login in WordPress - Register
    • Record the Application (client) ID for use in a later step.
    • Azure B2C WordPress SSO - Azure Single Sign-On(SSO) Login in WordPress -  application proxy
    miniorange img Next, specify that the application should be treated as a public client
    • Under Manage, select Authentication.
    • Under Advanced settings, enable Allow public client flows (select Yes).
    • Select Save.
    • Azure B2C WordPress SSO - Azure Single Sign-On(SSO) Login in WordPress - proxy authentication
    miniorange img Now, grant permissions to the API scope you exposed earlier in the IdentityExperienceFramework registration
    • Under Manage, select API permissions.
    • Under Configured permissions, select Add a permission.
    • Azure B2C WordPress SSO - Azure Single Sign-On(SSO) Login in WordPress - authentication
    • Select the My APIs tab, then select the IdentityExperienceFramework application.
    • Azure B2C WordPress SSO - Azure Single Sign-On(SSO) Login in WordPress - API permissions
    • Under Permission, select the user_impersonation scope that you defined earlier.
    • Select Add permissions. As directed, wait a few minutes before proceeding to the next step.
    • Azure B2C WordPress SSO - Azure Single Sign-On(SSO) Login in WordPress - My APIs
    • Select Grant admin consent for (your tenant name).
    • Azure B2C WordPress SSO - Azure Single Sign-On(SSO) Login in WordPress - Grant Admin
    • Select your currently signed-in administrator account, or sign in with an account in your Azure AD B2C tenant that's been assigned at least the Cloud application administrator role.
    • Select Yes.
    • Select Refresh, and then verify that "Granted for ..." appears under Status for the scopes - offline_access, openid and user_impersonation. It might take a few minutes for the permissions to propagate.
    • Azure B2C WordPress SSO - Azure Single Sign-On(SSO) Login in WordPress - B2C,Status og admin access
    miniorange img Register the WordPress Application
    • Select App registrations, and then select New registration.
    • Enter a Name for the application such as: WordPress.
    • Under Supported account types, select Accounts in any organizational directory or any identity provider. For authenticating users with Azure AD B2C.
    • Azure B2C WordPress SSO - Azure Single Sign-On(SSO) Login in WordPress - Supported account types
    • Under Redirect URI, select Web, and then enter the ACS URL from the Service Provider Metadata tab of the miniOrange SAML plugin.
    • Select Register.
    • Azure B2C WordPress SSO - Azure Single Sign-On(SSO) Login in WordPress - app Register
    • Under Manage, click on Expose an API.
    • Click on Set for the Application ID URI and then click on Save, accepting the default value.
    • SAML Single Sign-On (SSO) using Azure B2C as Identity Provider (IdP),for SAML 2.0 Azure B2C,WP-app Expose a sso login
    • Once saved, copy the Application ID URI and navigate to the Service Provider Metadata tab of the plugin.
    • Azure B2C WordPress SSO - Azure Single Sign-On(SSO) Login in WordPress - custom login page
    • Paste the copied value under the SP Entity ID / Issuer field provided in this tab.
    • Click on Save.

    3. Generate SSO Policies

    • From our Azure B2C portal, navigate to the Overview section of your B2C tenant and record your tenant name.
      NOTE: If your B2C domain is b2ctest.onmicrosoft.com, then your tenant name is b2ctest.
    • Azure B2C WordPress SSO - Azure Single Sign-On(SSO) Login in WordPress - B2C tenant ID Reco
    • Enter your Azure B2C tenant name below, along with the application ID for IdentityExperienceFramework and
      ProxyIdentityExperienceFramework apps as registered in the above steps.

    • Azure B2C tenant Name:
      IdentityExperienceFramework app ID:
      ProxyIdentityExperienceFramework app ID:


    • Click on the Generate B2C Policies button to download the SSO policies.
    • Extract the downloaded zip file. It contains the policy files and certificate (.pfx), which you will require in the following steps.

    4. Setup Certificates

    NOTE:

    In the following step if the 'Identity Experience Framework' is not clickable then it might be the reason that you don't have an active AzureAD B2C subscription for that tenant. You can find the details regarding the AzureAD B2C subscription here and you can create a new tenant by following the steps here.

    miniorange img Upload the Certificate
    • Sign in to the Azure portal and browse to your Azure AD B2C tenant.
    • Azure B2C WordPress SSO - Azure Single Sign-On(SSO) Login in WordPress - framework
    • Under Policies, select Identity Experience Framework and then Policy keys.
    • Azure B2C WordPress SSO - Azure Single Sign-On(SSO) Login in WordPress - Policy keys
    • Select Add, and then select Options > Upload
    • Enter the Name as SamlIdpCert. The prefix B2C_1A_ is automatically added to the name of your key.
    • Azure B2C WordPress SSO - Azure Single Sign-On(SSO) Login in WordPress - Create a Key
    • Using the upload file control, upload your certificate that was generated in the above steps along with the SSO policies (tenantname-cert.pfx).
    • Enter the certificate's password as your tenant name and click on Create. For example, if your tenant name is xyzb2c.onmicrosoft.com, enter the password as xyzb2c
    • You should be able to see a new policy key with the name B2C_1A_SamlIdpCert.
    miniorange img Create the signing key
    • On the overview page of your Azure AD B2C tenant, under Policies, select Identity Experience Framework.
    • Select Policy Keys and then select Add.
    • For Options, choose Generate.
    • In Name, enter TokenSigningKeyContainer.
    • For Key type, select RSA.
    • For Key usage, select Signature.
    • Azure B2C WordPress SSO - Azure Single Sign-On(SSO) Login in WordPress - Create the signing key
    • Select Create.
    miniorange img Create the encryption key
    • On the overview page of your Azure AD B2C tenant, under Policies, select Identity Experience Framework.
    • Select Policy Keys and then select Add.
    • For Options, choose Generate.
    • In Name, enter TokenEncryptionKeyContainer.
    • For Key type, select RSA.
    • For Key usage, select Encryption.
    • Azure B2C WordPress SSO - Azure Single Sign-On(SSO) Login in WordPress - Create the encryption key
    • Select Create.

    5. Upload the Policies

    • Select the Identity Experience Framework menu item in your B2C tenant in the Azure portal.
    • Azure B2C WordPress SSO - Azure Single Sign-On(SSO) Login in WordPress - Upload the Policies
    • Select Upload custom policy.
    • Azure B2C WordPress SSO - Azure Single Sign-On(SSO) Login in WordPress - identity experience framework
    • As per the following order, upload the policy files downloaded in the above steps:
      • TrustFrameworkBase.xml
      • TrustFrameworkExtensions.xml
      • SignUpOrSignin.xml
      • ProfileEdit.xml
      • PasswordReset.xml
      • SignUpOrSigninSAML.xml
    • As you upload the files, Azure adds the prefix B2C_1A_ to each.

    You have successfully configured Azure B2C as SAML IdP (Identity Provider) for achieving WordPress Azure B2C Single Sign-On (SSO) Login, ensuring secure login into WordPress (WP) Site.

    6. Configure the plugin

    • Navigate to the Service Provider Setup tab of the plugin and click on the Upload IDP Metadata button.
      • Provide any IDP Name. For example, AzureB2C
      • Enter the Metadata URL as
        https://tenant-name.b2clogin.com/tenant-name.onmicrosoft.com/B2C_1A_signup_signin_saml/Samlp/metadata
      • (NOTE :You will need to replace the tenant-name in above URl with Azure B2C tenant name)

      • Click on the Fetch Metadata button.
    SAML Single Sign-On (SSO) using Azure B2C as Identity Provider (IdP),for SAML 2.0 Azure B2C,sp initiated sso

7. Attribute Mapping

  • In the free plugin, only NameID is supported for Email and Username attributes of the WordPress user.
  • When a user performs SSO, the NameID value sent by the IDP will get mapped to the email and username of the WordPress user.
  • WordPress SAML Single Sign-On (SSO) Login-attribute mapping

8. Role Mapping

  • In the free plugin, you can choose a default role which will be assigned to all the non-admin users when they perform SSO.
  • Go to Attribute/Role mapping tab and navigate to Role Mapping section.
  • Select the Default Role and click on the Save button.
  • WordPress SAML Single Sign-On (SSO) Login- role mapping

9. SSO settings

  • In the free plugin you can add a login widget to enable SP-Initiated SSO on your site.
  • Navigate to Redirection and SSO links tab and follow the given steps given under Option 1: Use a Widget to add a login widget on your site.
  • WordPress SAML Single Sign-On (SSO) Login-sso setting

7. Attribute Mapping

  • Attribute Mapping feature allows you to map the user attributes sent by the IDP during SSO to the user attributes at WordPress.
  • In WordPress SAML plugin, go to Attribute/Role Mapping tab and fill up the following fields in Attribute Mapping section.
  • WordPress SAML Single Sign-On (SSO) Login- attribute mapping

    NOTE: If you click on Test Configuration button in Service Provider Setup tab and authenticate with your IDP, you can see a list of attributes sent by the IDP in the Attribute/Role mapping tab. This information can be used to provide the above mapping.

8: Role Mapping

    In the standard plugin, you can choose a default role which will be assigned to all the non-admin users when they perform SSO.

  • Go to Attribute/Role mapping tab and navigate to Role Mapping section.
  • Select the Default Role and click on the Save button.
  • WordPress SAML Single Sign-On (SSO) Login- role mapping

9: SSO settings

    In the Standard plugin you can enable SP-initiated SSO using the following options.

  • Auto-Redirection from site: If this option is enabled, any unauthenticated user trying to access your site will get redirected to the IDP login page and after successful authentication, they will be redirected back to the same page on your site which they were trying to access.
  • Steps:

      1.  Go to Redirection and SSO Links tab of the plugin and navigate to Option 1: Auto-      Redirection from site.

      2.  Enable Redirect to IdP if user not logged in [PROTECT COMPLETE SITE] option.

      WordPress SAML Single Sign-On (SSO) Login- optin 1

  • Auto-Redirection from WordPress Login: If this option is enabled, any unauthenticated user trying to access the default WordPress login page will get redirected to the IDP login page for authentication. After successful authentication, they will be redirected back to the WordPress site.
  • Steps:

      1.  Go to Redirection and SSO Links tab of the plugin and navigate to Option 2: Auto-      Redirection from WordPress Login.

      2.  Enable Redirect to IdP from WordPress Login Page option.

      WordPress SAML Single Sign-On (SSO) Login- optin 2

      NOTE: Please enable the Backdoor login and note down the backdoor URL. This will allow you to access the WordPress login page in case you get locked out of the IDP.



  • SSO Links: You can add SSO links anywhere on your site using the Shortcode and Widget provided in Redirection and SSO Links tab > Option 3: SSO Links section of the plugin
  • WordPress SAML Single Sign-On (SSO) Login- optin 3

7. Attribute Mapping

  • Attribute Mapping feature allows you to map the user attributes sent by the IDP during SSO to the user attributes at WordPress.
  • In WordPress SAML plugin, go to Attribute/Role Mapping tab and fill up the following fields in Attribute Mapping section.
  • WordPress SAML Single Sign-On (SSO) Login- attribute mapping
  • Custom Attribute Mapping: This feature allows you to map any attribute sent by the IDP to the usermeta table of WordPress.
  • WordPress SAML Single Sign-On (SSO) Login- custom attribute mapping

8. Role Mapping

    This feature allows you to assign and manage roles of the users when they perform SSO. Along with the default WordPress roles, this is compatible with any custom roles as well.

  • From the Attribute Mapping section of the plugin, provide a mapping for the field named Group/Role. This attribute will contain the role related information sent by the IDP and will be used for Role Mapping.
  • Navigate to role mapping section and provide the mappings for the highlighted roles.
  • WordPress SAML Single Sign-On (SSO) Login- role mapping
  • For example, If you want a user whose Group/Role attribute value is wp-editor to be assigned as an Editor in WordPress, just provide the mapping as wp-editor in the Editor field of Role Mapping section.

9. SSO settings

    In the Premium plugin you can enable SP-initiated SSO using the following options.

  • Auto-Redirection from site: If this option is enabled, any unauthenticated user trying to access your site will get redirected to the IDP login page and after successful authentication they will be redirected back to the same page on your site which they were trying to access.
  • Steps:

      1.  Go to Redirection and SSO Links tab of the plugin and navigate to Option 1 : Auto-Redirection from site.
      2.  Enable Redirect to IdP if user not logged in [PROTECT COMPLETE SITE] option.

      WordPress SAML Single Sign-On (SSO) Login- optin 1

  • Auto-Redirection from WordPress Login: If this option is enabled, any unauthenticated user trying to access the default WordPress login page will get redirected to the IDP login page for authentication. After successful authentication, they will be redirected back to the WordPress site.
  • Steps:

      1.  Go to Redirection and SSO Links tab of the plugin and navigate to Option 2: Auto-      Redirection from WordPress Login.
      2.  Enable Redirect to IdP from WordPress Login Page option.

      WordPress SAML Single Sign-On (SSO) Login- optin 2

      NOTE: Please enable the Backdoor login and note down the backdoor URL. This will allow you to access the WordPress login page in case you get locked out of the IDP login.

  • Login Button: You can add a customized login button anywhere on your site or WordPress login page by navigating to Option 3: Login Button section of Redirection and SSO Links tab.
  • WordPress SAML Single Sign-On (SSO) Login- optin 3
  • SSO Links: You can add SSO links anywhere on your site using the Shortcode and Widget provided in Option 4: SSO Links section of Redirection and SSO Links tab.
  • WordPress SAML Single Sign-On (SSO) Login- optin 4

In this Guide, you have successfully configured Azure B2C SAML Single Sign-On ( Azure B2C WordPress SSO / Azure B2C WordPress Login), choosing Azure B2C as IdP and WordPress as SP. WordPress SAML Single Sign On – SSO solution ensures that you are ready to roll out secure access / Login into WordPress (WP) site using Azure B2C login credentials.


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