This is a known issue of CEP (Common Extensibility Platform, a DLL that supports displaying extensions). Code like “document.cookie” in HTML extension is invalid because CEF (CEP integrated CEF3 to display HTML Extensions) intentionally disables cookies on "file://..." for a variety of reasons.
However, CEP stores cookies at:
Please let me know if more information is needed, thanks
We use webpage http://www.w3schools.com/js/tryit.asp?filename=tryjs_cookie_username to test the CEP cookie-related function, could you please check whether it can work on your environment? This webpage uses “document.cookie” to get/set cookies.
PS 14.2 integrated CEP 18.104.22.168 (the PlugPlugOwl.dll in PS). If webpage above could not work on your machine, please check the version of PlugPlugOwl.dll.