Well, the constitutionality will need to be tested, sure, but the US first amendment is not absolute, even if it is sweeping relative to other countries.

Also, the US is not the only jurisdiction in the world. Plenty of other countries have put similar laws on the books over the last 2-3 years.

Many jurisdictions have started banning nonconsensual intimate imagery, including the US (in several states as well as federally under the TAKE IT DOWN Act).