Do Cookies Pass Through iFrames?

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  • wehateporn
    Promoting Debate on GFY
    • Apr 2007
    • 27176

    #1

    Do Cookies Pass Through iFrames?

    If one opens new sites in iFrames do cookies still work?

    I assumed they did but then spotted a site claiming that it didn't work for IE (back in 2008)

    http://adamyoung.net/IE-Blocking-iFrame-Cookies

    Thanks in advance
    Last edited by wehateporn; 03-06-2014, 10:11 AM.
  • greg80
    Confirmed User
    • May 2007
    • 1644

    #2
    Yes, as far as I know the do. Even 1x1 iframe passes cookie. That is called cookie stuffing.
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    • Barry-xlovecam
      It's 42
      • Jun 2010
      • 18083

      #3
      Yes and no.

      Many browsers can be set not to allow 3rd party cookies.

      Ad blocking and Anonymizing browser ad-ons will block 3rd party cookies.

      30% or more of the cookies sent from an iframe would be blocked maybe ...

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      • lonerunner
        Confirmed User
        • Nov 2010
        • 305

        #4
        technically yes but browsers have techniques to do various blocks depend of settings so they can block cookies from iframes.
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        • Just Alex
          Liv Benson to You, Bitch
          • Aug 2007
          • 6060

          #5
          Yes. Great way to do stuffing. But you didn't hear it from me.

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