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Firefox Privacy Enhanced Mode inadvertently blocking OneTrust privacy software domains

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  • Last reply by cor-el

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We use a privacy technology vendor named OneTrust to power much of our privacy infrastructure.

This morning, two websites reported Firefox users are encountering site functionality problems when trying to exercise their privacy rights, such as opting out of sharing data and targeted advertising. My team investigated and was able to reproduce the reported bug.

We discovered the cause of the bug is that Firefox's Privacy Enhanced Mode is by default blocking two domains from our privacy vendor OneTrust which are critical to the functioning of our CMP (Consent Management Platform): - cookielaw.org - onetrust.com

These two domains are used solely for the essential services needed to run our privacy software. They're not used for marketing, sales, or advertising. Blocking them not only causes site functionality issues it keeps our users from being able to exercise their privacy rights.

I've attached two screenshots here showing the network calls and domains.

Can Mozilla please quickly review this bug and remove these two domains from the blocklist powering Privacy Enhanced Mode?

We use a privacy technology vendor named OneTrust to power much of our privacy infrastructure. This morning, two websites reported Firefox users are encountering site functionality problems when trying to exercise their privacy rights, such as opting out of sharing data and targeted advertising. My team investigated and was able to reproduce the reported bug. We discovered the cause of the bug is that Firefox's Privacy Enhanced Mode is by default blocking two domains from our privacy vendor OneTrust which are critical to the functioning of our CMP (Consent Management Platform): - cookielaw.org - onetrust.com These two domains are used solely for the essential services needed to run our privacy software. They're not used for marketing, sales, or advertising. Blocking them not only causes site functionality issues it keeps our users from being able to exercise their privacy rights. I've attached two screenshots here showing the network calls and domains. Can Mozilla please quickly review this bug and remove these two domains from the blocklist powering Privacy Enhanced Mode?
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brandons modificouno o

Chosen solution

Hi, it's better to report it on https://bugzilla.mozilla.org. The people who answer questions here, are volunteers, not Mozilla employees or developers.

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Chosen Solution

Hi, it's better to report it on https://bugzilla.mozilla.org. The people who answer questions here, are volunteers, not Mozilla employees or developers.

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See also the about:url-classifier page.

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