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Created by Gonzalo Maldonado 01 Mar 2017, 14:29:42 Updated by Sebastiaan Janssen 22 Jun 2017, 07:23:22
We track form interaction on one of our websites and set cookies depending on user action, and I noticed that when a cookie is set containing either "å","ä" or "ö" I get 417 "(Missing token null)" and everything in the backoffice stops working.
Clearing the cookie and then reloading the backoffice makes it work again.
To reproduce, login to umbraco and set a cookie in console, "document.cookie = "cookie with å";" then reload the page.
I'm consolidating all the 417 errors into U4-9873.
Backwards Compatible: True
Affected versions: 7.4.2
Due in version: