Firefox v103.0.1+ does not show popup screen during authentication

Core Library

MSAL.js v2 (@azure/msal-browser)

Core Library Version

^2.22.0

Wrapper Library

Not Applicable

Wrapper Library Version

N/A

Public or Confidential Client?

Public

Description

The Microsoft Graph Toolkit uses the msal-browser package in their Teams Provider for authentication. There are issues where the pop up doesn’t show in the latest versions of Firefox. This is because Firefox has implemented a Total Cookie Protection policy which prevents cross-site sharing of cookies, in this case the clientId in the browser.

Error Message

No response

Msal Logs

No response

MSAL Configuration

N/A

Relevant Code Snippets

N/A

Reproduction Steps

This issue https://github.com/microsoftgraph/microsoft-graph-toolkit/issues/1866 contains all the reproduced steps.

Expected Behavior

The authentication popup should appear in the latest Firefox browser.

Identity Provider

Azure AD / MSA

Browsers Affected (Select all that apply)

Firefox

Regression

No response

Source

Internal (Microsoft)

[sameerag]

@EmLauber assigning to you just for traction, please pull me in as needed.

[EmLauber]

We are still investigating this.