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Can websites see my Firefox Addons?

Fresh5 days ago
Mar 15, 20264989 views
Confidence Score0%
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Problem

I know when you visit a website, they can actually see a lot of your personal information, like browser type, but can they also see which addons I've installed? What about something like Mozilla Plugin Check? How does it know what plugins I have? I've installed Adblock Plus, but one webpage I visit…

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1 Fix

Canonical Fix
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New Fix – Awaiting Verification

Fix for: Can websites see my Firefox Addons?

Low Risk

In general, a web site cannot tell what addons you have. There are two ways that a web site can tell things about a web browser. HTTP headers, such as User-Agent and Cookie, that the browser sends with the request. Javascript code that the browser r…

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