neko

@neko@sh.itjust.works

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Phone home tracking image in DocuSeal, and how to remove it ( www.reddit.com )

Kinda proud of this, so forgive me while I brag. I found a likely "phone home" tracking image in DocuSeal. I searched around: there was an extant issue about the image. I asked the devs: would they accept a PR to remove the image? A maintainer responded quickly that they were not interested in a PR to remove it, so I forked it...

neko ,

Loading external images will reveal to the site where it’s loaded from at least these things:

  • User’s IP
  • Useragent string
  • Referrer

Also it can set third-party cookies which can be used to track specific user.

I don’t know if this project processes any of that data, but outside images can be used for tracking purposes.

At least it would be a good idea to limit some of this things for that img tag by setting some attributes that prevent referrer and cookies from being sent.

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