Scripts found on unverified forums may contain "backdoors"—malicious code that can compromise your game or account.
However, as Roblox has updated its engine—specifically with the transition to "Byfron" anti-cheat and the 64-bit client—the landscape for universal scripts has changed drastically. Many older universal hubs relied on vulnerabilities that have since been patched. Furthermore, modern executors must support a wide range of functions (sometimes referred to as the "UNC" or Universal Custom Community standard) for a script to run correctly. A universal hub acts as a litmus test for an executor; if the hub loads, the executor has successfully implemented the necessary drawing and math libraries.
Study: "pcrblx hub universal script" (assumed Roblox hub + universal script) Overview