Krause warns that public scrutiny of in-app browser JavaScript tracking code injections on iOS is likely to encourage bad actors to upgrade their software to make such code undetectable to ...

How does in-app browser tracking work? JavaScript injection. The study uses Instagram as an example. Instagram injects Meta’s Meta Pixel JavaScript tracking code into every website that you open.

The developer said the JavaScript tracking code, named Meta Pixel, gets injected before the first script element on external websites.

According to the lawsuits, Meta has been injecting javascript tracking code into websites that users visit via the in-app browsers in Facebook and Instagram for iOS, but without user permission.

Chrome extensions with 1.4M installs covertly track visits and inject code If you've installed any of these extensions, manually remove them stat.