Jeepers, ouch, yep

i had a similar issue and warmed up the rubber sleeve and applied grease

I also did it in the middle of summer so that nothing would break in the cold.

I was told “don’t cut the camera wire.

You up may need to purchase another one.

Just so you know, there is a grommet behind the licence plate. There are cameras that mount on the top two screws of the plate.

I dont Int think you will be able to repair the one you have.

Sorry for the the bad news.