Let us deconstruct the ghost in this machine: the word “nulled.”
: Instead of buying a script, many developers build a custom front-end using TMDB's free API
A "nulled" script is a premium software package that has had its licensing or "phone home" code removed by a third party.
There is no safe nulled script. The cost of cleaning a hacked server or facing a DMCA takedown will far exceed the price of a legitimate license.