Can add-ons ever access passwords I enter on a web page?

Another top browser (sorry!) displays privileges used by add-ons, such as "Access your data on all websites." The accepted thinking seems to be that if the privilege is reasonable for the add-on to do it's work AND the developer seems like a trusted source, then it's okay to use the add-on. Unless I'm off base in my understanding, that sounds like passwords I enter on a website can potentially be captured by the developer. I have read the Firefox policy about editorial software review, but I am still uneasy. Can you provide additional information or assurance in this regard?

If you install add-ons from https://addons.mozilla.org/ then you will see whether they have been reviewed (most are) and warned if not. You can read the review policies at https://addons.mozilla.org/en-US/developers/docs/policies/reviews The add-on reviewers take security seriously and wouldn't allow an add-on to access passwords used on a website unless it was explicitly stated as the purpose of the extension. All updates from extensions installed via addons.mozilla.org are also reviewed. Let me know if you still have more questions.

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Can add-ons ever access passwords I enter on a web page?

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