A "nulled" script refers to a software or code that has been modified to bypass or remove licensing or copyright restrictions, often making it available for free or allowing users to use it without proper authorization.
A single line of obfuscated PHP in a nulled script can give attackers full control of your hosting account.
: These scripts are typically distributed illegally through "warez" or pirate websites rather than official developer channels. Why You Should Avoid Nulled Scripts