Well, that bug is going to be fixed pretty soon, as AI learns about different body types and how to identify them from clothed images. The bar is pretty low, because the AI-generated image only needs to convince people who haven't actually seen you nude.

Sooner or later, the only way to tell whether a nude image is real or not will be to check if if it accurately reproduces hard-to-guess imperfections in locations that nobody other than your most intimate partner will ever see. Brb, gotta give the kids a cryptographically unique tattoo or something.