> Or an issue with Cordova?
Note that devForums is for Apple's IDE support - suggest you contact the maker of any 3rd party tools for their help.
>Cordova on iOS devices in landscape mode...Is this an iOS/Apple issue? Or an issue with Cordova?
Lots of things have changed in iOS regarding rotation handling. I suspect Cordiva did not keep up. This is most likely an issue with Cordova interacing with those changes.