Did Cordova fix this in Cordova iOS 6.0.0?
Additionaly,
WKURLSchemeHandlersupport has been introduced with this release. Using a custom scheme to serve your app content through fixes CORS issues that exist because of the strict security policies thatWKWebViewhas applied to thefilescheme. You can easily configure your Cordova project to use a custom scheme by setting the preference optionsschemeandhostnamein theconfig.xmlfile.
<preference name="scheme" value="app" />
<preference name="hostname" value="localhost" />