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No email verification leads to an Oauth account takeover.
Learn how to find this bug by reading this blog
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👋 Hello all👋
So let’s see
After creating my account and logging into my account successfully.
I clicked on account settings
After I clicked on change email & password

After Entering a new email and my current password I clicked on Change email

You can see in the below image no confirmation link was sent.

My new email was changed without confirmation

I'm logged out from my account
Now I’m trying to log in with Google