this post was submitted on 25 Aug 2026
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AliExpress tracks users via inaudible audio fingerprinting (beyondmachines.net)
submitted 4 weeks ago by randomname@scribe.disroot.org to c/privacy@lemmy.world
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cross-posted from: https://scribe.disroot.org/post/10925160

Archived version

If you shop on AliExpress and your Bluetooth headphones stop switching between devices, this is caused by hidden tracking scripts on the site, not broken hardware. Install uBlock Origin and add filter rules to block collina.js and fireyejs.js on aliexpress.com, then close all open AliExpress tabs and reload the site for the fix to take effect.

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AliExpress users report a privacy-invasive tracking mechanism on the company's homepage that interferes with Bluetooth hardware. The site runs hidden audio processes that prevent multipoint headphones from switching between devices. This behavior occurs even when the tab is idle and no media is visible to the user. The issue is caused by Alibaba's security scripts designed for device identification and anti-fraud detection.

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[โ€“] Chais@sh.itjust.works 22 points 4 weeks ago (1 children)

Repeat after me: adBlockers are self-defense.

[โ€“] homik@slrpnk.net 11 points 4 weeks ago

Policy based filtering of traffic is basic information security.