Tried Chrome, Brave and Firefox, got 3 different IDs. On one of the browsers it also didn't detect slack and vscode being installed.
Vulnerability allows cross-browser tracking in Chrome, Firefox, Safari, and Tor
31–40 of 213 posts
Re: Vulnerability allows cross-browser tracking in Chrome, Firefox, Safari, and Tor
#32Re: Vulnerability allows cross-browser tracking in Chrome, Firefox, Safari, and Tor
#33Does this actually work correctly for anyone? Got wrong results for Firefox and Chrome on Linux (it warns that Chrome probably won't work). I glanced through the source[0] and my about:config and I noticed I have the dom.block_external_protocol_in_iframes setting enabled. Looks like this could be the mechanism they use? I don't remember enabling it manually. Otherwise, it could be my tiling window manager messing wit…
Re: Vulnerability allows cross-browser tracking in Chrome, Firefox, Safari, and Tor
#34>By opening a popup window with a custom URL scheme and checking if its document is available from JavaScript code, you can detect if the application is installed on the device. in FF, unless im mistaken this assumes the user clicks anything except cancel on the popup. bug for reference and comment. https://bugzilla.mozilla.org/show_bug.cgi?id=1711084 further from the github: > the basic concept is the same. It works…
Basically browsers have the "I open a popup to ask" or "the user has no schema handler for that schema so I don't need to ask" or the "User already confirmed it always should open the link with given application" behaviour and they can detect it "somehow "? But I still have to look closer into it.
Re: Vulnerability allows cross-browser tracking in Chrome, Firefox, Safari, and Tor
#35Re: Vulnerability allows cross-browser tracking in Chrome, Firefox, Safari, and Tor
#36They are always going to exist for architectural reasons, some are worse than others, and the really bad ones are likely kept nice and secret while they are actively exploited. In other words, I'm not surprised in the slightest, but I'm glad that this is out in the open now.
Re: Vulnerability allows cross-browser tracking in Chrome, Firefox, Safari, and Tor
#37Re: Vulnerability allows cross-browser tracking in Chrome, Firefox, Safari, and Tor
#38Does this actually work correctly for anyone? Got wrong results for Firefox and Chrome on Linux (it warns that Chrome probably won't work). I glanced through the source[0] and my about:config and I noticed I have the dom.block_external_protocol_in_iframes setting enabled. Looks like this could be the mechanism they use? I don't remember enabling it manually. Otherwise, it could be my tiling window manager messing wit…
It seems that it's not very effective in Linux.
Re: Vulnerability allows cross-browser tracking in Chrome, Firefox, Safari, and Tor
#39It though I had Skype, Spotify and Slack installed. I only have Slack installed.