That does not sound like a question for Firefox Support.

I would however mention you should take care with what you open or reply to.

You do not mention what you actually received: some like or social media message, SMS text, phone call or email etc.

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I received a picture off someone I've been chatting to online but thought I recognised the person in the photo. I was right as I checked through Google and the picture was of a not so famous actress. Thanks for the response anyway