google analytics csp

Researchers found “an easy to reproduce vulnerability in the core … , and we chose to focus on one of the things brought up there. requests; they're an additional layer of protection, not a replacement. CSP stands for Content Security Policy and allows a website developer to control what origins the website is allowed to load resources from. … have no default content security policy. For example, most would not think twice about adding Google Analytics. You're still free, for example, to It's a terrible way, and I highly recommend you to not do it like this: Content-Security-Policy: script-src 'unsafe-inline'; Again, this is a terrible idea because you are throwing one major advantage of CSP right out of the window. To understand the issue better, imagine that we got this awesome service that you need an invite to register for, the code would look like this: Now, the CSP is so strict that the only thing we can do is inject HTML (no JavaScript) but also load images from google-analytics.com. Out of these: … This becomes a potential issue when you consider what happens if we do not close the image tag. Content scripts are generally not subject to the CSP of the extension. All fine and dandy, but maintaining all the Google domains for Google Analytics is a bit a pain. These functions are HackerOne has, invites researcher to break their CSP-policy, Chrome has taken additional steps to protect against this by, blocking requests that contain both a newline and typical HTML characters. This introduces some fairly strict policies that will make extensions InsightWhale uses cookies. and be somewhat strict about it, but even that is not always enough. that includes 'unsafe-inline' will have no effect. script rather than DOM injected scripts. are also viewed as generic top-level domains. Can information somehow be submitted to it, that can then be read by the hacker? So let’s dive in and see what can be done with that. We will refer to these as DOM in any way. In order to use Google Tag Manager's Preview Mode, the CSP must include the following directives: To use the Universal Analytics (Google Analytics) tag, the CSP must include the following directives: To use a Google Optimize tag, the CSP must include the following directives: To use a Google Ads conversion tag, the CSP must include the following directives: To use a Google Ads remarketing tag, the CSP must include the following directives: Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code samples are licensed under the Apache 2.0 License. If an attacker finds an HTML injection on your website and you allow Google Analytics in the CSP, they are able to inject an image making an event request to Google Analytics similar to what we described earlier. new Function(String) can be relaxed by adding A common use case would be to include this image in emails, so as soon as the email is opened an event request is sent to Google Analytics with the value ‘, https://www.google-analytics.com/collect?v=1&tid=UA-55300588-1&cid=3121525717&t=event&ec=email&el=2111515817&cs=newsletter&cm=email&cn=062413&cm1=1&ea=opened, About a year ago Github (with help from Cure53) decided to investigate their own CSP policy.

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