OAuth Sign-In Fails with Firebase

[Niyati-Dinesh]

Problem statement

📋 Description

When attempting to sign in using Firebase Authentication (via Google/GitHub OAuth), the sign-in process fails and returns the following error response:

Steps to reproduce

Expected outcome

No response

Screenshots / recordings (if applicable)

No response

Checklist

• I searched existing issues and did not find a duplicate
• I am willing to submit a PR to fix this
• I am a GSSoC '25 contributor
• I am a Hacktoberfest '25 contributor

[github-actions]

Thank you for raising this issue!

We'll review it as soon as possible. We truly appreciate your contributions! ✨

Meanwhile make sure you've visited the README.md, CONTRIBUTING.md, and CODE_OF_CONDUCT.md before creating a PR for this. Also, please do NOT create a PR until this issue has been assigned to you. 😊

[Niyati-Dinesh]

please add appropriate labels and assign this issue to me.