1550842 - Console warnings make it seem like newtab is using cookies

Status: VERIFIED FIXED

(Firefox :: New Tab Page, defect, P1)

Description

[Ed Lee :Mardak]

+++ This bug was initially created as a clone of Bug #1546581 +++

I noticed that opening new tabs results in a lot more warnings now that we show more images when the user has set cookie blocking, e.g., unvisited 3rd party:

8x: Request to access cookie or storage on “https://img-getpocket.cdn.mozilla.net/432x216/filters:format(jpeg):quality(60):no_upscale():strip_exif()/https…” was blocked because we are blocking all third-party storage access requests and content blocking is enabled.
8x: … https://img-getpocket.cdn.mozilla.net/216x108/…

Bug 1546581 comment 5:

(In reply to :Harald Kirschner :digitarald from comment #3)

Ed, trying to answer your question, I assume crossorigin="anonymous" on the picture element help.

Ah thanks for the pointer! Looks like setting it on the <img crossorigin="anonymous" …/> makes the warnings go away.

Comment 1

[GitHub Bugzilla PR Linker]

Attachment: Link to GitHub pull-request: https://github.com/mozilla/activity-stream/pull/5022

Comment 2

[Ed Lee :Mardak]

https://hg.mozilla.org/mozilla-central/rev/a07d7f8f53ca

Comment 3

[Marius Coman [:mcoman], Ecosystem QA]

I have verified that this issue is no longer reproducible with the latest Firefox Nightly (68.0a1 Build ID - 20190512214232) installed, on Windows 10 x64, Arch Linux and Mac 10.13.3. Now, the console warnings are no longer displayed.