WordPress Single Sign-On (SSO) with Auth0

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Hi Josh, and community :slight_smile:

We are encountering a problem trying to implement SSO between a PHP app and a WordPress site, with Auth0 has Identity Provider.

Some info:

  • The PHP app is integrated with Auth0
  • Everything works perfectly
  • We have a WordPress site where we installed Login by Auth0 plugin
  • When a user tries to login on WordPress, he is redirected to the Universal Login Page, authenticates and is then logged in on the WordPress site

Here is where we are stuck:

  • User wants to log to a PHP app integrated with Auth0
  • User is redirected to the Universal Login Page
  • User is properly authenticated by Auth0
  • User is redirected to the PHP app, logged in with a user account
  • User navigate to the WordPress site and tries to access a page only available to user
  • User is redirected again to the Universal Login Page

Since the user already have an Auth0 session, shouldn’t he already be logged in on the WordPress site ?

Reverse process also ends with the same problem.

What are we missing ? Thanks for any help !