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LinkedIn is searching your browser extensions

browsergate.eu

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Re: LinkedIn is searching your browser extensions

#91
This website was difficult to follow but I found that this page https://browsergate.eu/extensions/ was the most helpful to understand what they were talking about

Essentially, they are labelling you, like most do, but against some interesting profiles given the kinds of extensions they are scanning for

Re: LinkedIn is searching your browser extensions

#92
post #64

I alway use LinkedIn and Meta websites in a different browser altogether. I hope browsers in the future will need to ask for permission before doing any of that.

If you use both from the same IP without using a VPN… the profiles are most certainly grouped. There are commercial datasets on IP addresses with almost 100% accuracy with tags like “school”, “house”, “apartment block” etc. Furthermore, if you ever logged into both sites from within the same browser by accident, the link by fingerprinting was made right there and then. The final profile on you may not be 100% accurate, but certainly is in the 98% range.

Re: LinkedIn is searching your browser extensions

#94

this is a massive violation of trust > The scan doesn’t just look for LinkedIn-related tools. It identifies whether you use an Islamic content filter (PordaAI — “Blur Haram objects, real-time AI for Islamic values”), whether you’ve installed an anti-Zionist political tagger (Anti-Zionist Tag), or a tool designed for neurodivergent users (simplify).

Almost certainly they are using that for audience segmentation and ad targeting. Clever and disgusting. This isn't the invention of some evil moustache-twirling executive, this was the invention of an employee or group of employees who value money more than morals. We should think of such employees as henchmen.

Re: LinkedIn is searching your browser extensions

#96
post #68

Earlier quoted context omitted.

They have! It's these developers either not knowing or not caring about it which is the issue! I did a blog post about this a while back showing how they do it, and how you can get around it, it's not very complex for the devs. https://www.linkedin.com/pulse/how-linkedin-knows-which-chro...

`use_dynamic_url` seems like it should be enabled by default, maybe with a phase-out period for backwards compatibility with older extensions.

Yeah I agree. All new extensions should have this for their web_accessible_resources.

With that said, the chrome web store ecosystem has bigger problems infront of them. For example, loads of extensions outright just send every URL you visit (inc query params) over to their servers. Things like this just shouldn't happen, imagine you installed an extension from a few years back and you forgot about it, that's what happened to me with WhatRuns, which also scraped my AI chats.

I'm working on a tool to let people scan their extensions (https://amibeingpwned.com/) and I've found some utterly outrageous vulnerabilities, widespread affiliate fraud and widespread tracking.

Re: LinkedIn is searching your browser extensions

#97
post #60

I can’t take an article seriously that starts: > Every time any of LinkedIn’s one billion users visits linkedin.com, hidden code searches their computer for installed software and then proceeds not to explain how it’s doing that to me, a Safari user. Because, spoiler: it isn’t. Or, it might try to search, and fail, and nothing will be collected.

[deleted]

Re: LinkedIn is searching your browser extensions

#98

this is a massive violation of trust > The scan doesn’t just look for LinkedIn-related tools. It identifies whether you use an Islamic content filter (PordaAI — “Blur Haram objects, real-time AI for Islamic values”), whether you’ve installed an anti-Zionist political tagger (Anti-Zionist Tag), or a tool designed for neurodivergent users (simplify).

It scans thousands so in thousands, some of them have these weird names

Re: LinkedIn is searching your browser extensions

#99
post #14

The headline seems pretty misleading. Here’s what seems to actually be going on: > Every time you open LinkedIn in a Chrome-based browser, LinkedIn’s JavaScript executes a silent scan of your installed browser extensions. The scan probes for thousands of specific extensions by ID, collects the results, encrypts them, and transmits them to LinkedIn’s servers. This does seem invasive. It also seems like what I’d expect…

How is probing your browser for installed extensions not "scanning your computer"?

Calling the title misleading because they didn't breach the browser sandbox is wrong when this is clearly a scenario most people didn't think was possible. Chrome added extensionId randomization with the change to V3, so it's clearly not an intended scenario.

> vs. something inherently sinister (e.g. “they’re checking to see if you’re a Muslim”)

They chose to put that particular extension in their target list, how is it not sinister? If the list had only extensions to affect LinkedIn page directly (a good chunk seem to be LinkedIn productivity tools) they would have some plausible deniability, but that's not the case. You're just "nothing ever happens"ing this.

Re: LinkedIn is searching your browser extensions

#100
post #14

The headline seems pretty misleading. Here’s what seems to actually be going on: > Every time you open LinkedIn in a Chrome-based browser, LinkedIn’s JavaScript executes a silent scan of your installed browser extensions. The scan probes for thousands of specific extensions by ID, collects the results, encrypts them, and transmits them to LinkedIn’s servers. This does seem invasive. It also seems like what I’d expect…

I disagree, I think we should push back hard on behavior like this. What business is it of LinkedIn's what browser extensions I have installed? I think the framing for this is appropriate.

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