A feature of some websites is the ability to upload a picture directly from your camera. Firefox for Android has the permission to access the camera so you can use that feature. It should never actually be used without your knowledge, per [http://www.w3.org/TR/capture-api/#security the specification]. But security is never 100%, so don't visit questionable sites. Past threads on this: * [https://support.mozilla.org/en-US/questions/933999 why does Firefox need permission to my mobile camera/camcorder???] * [https://support.mozilla.org/en-US/questions/915059 why seize control of camera]