SecurityError: The operation is insecure - window.history.pushState()

Question

I\'m getting this error in Firefox\'s Console: SecurityError: The operation is insecure and the guilty is HTML5 feature: window.history.pushState()

Answer 1

We experienced the SecurityError: The operation is insecure when a user disabled their cookies prior to visiting our site, any subsequent XHR requests trying to use the session would obviously fail and cause this error.