Site B (top level) sets cookie C

This page is meant to be opened as a top level page on origin B. Click to set a first party cookie named C, then load Site A which embeds B in an iframe.

Status

Origin:

Secure context:

Cookie C value (as seen here):

(not read yet)

Full document.cookie:

(not read yet)

Next step

Copy this value into Site A’s “Expected C value” field: (set cookie first)