3 ms·

This vector has been known for many years.

• eli 12y ago
  And has been largely fixed for several. See e.g. https://developer.mozilla.org/en-US/docs/Web/CSS/Privacy_and_the_:visited_selector https://developer.mozilla.org/en-US/docs/Web/CSS/Privacy_and...
  • milankragujevic 12y ago
    Actually it's not using the JavaScript for checking the link color and instead is using a timing attack, so that link makes no sense.