Such exploits are not bannable by Roblox, but players caught doing this can be banned by a developer if the game has moderation infrastructure, like an admin script.
Many users believe that the correct term for programs that change Roblox for a player's advantage is “exploiting”, and others believe “hacking” is the correct term. 2.1 Bytecode through loadstring function.However, hacking is the act of gaining unauthorized access to a system while exploiting is abusing a vulnerability to do the same. Once you've confirmed that there is an exploiter in the server, use the Reporting feature (Report Abuse) and report the exploiter for Cheating/Exploiting. Before submitting the report, make sure to include as much as detail as possible.
Once done, click 'Submit' to send the report to Roblox's moderation team.