How works to catch these scripts

Science Bear, Black Bear, and Mother Bear all chimed at once, their dialogues skipping as rewards flooded his inventory.

Before he could click "Leave Game," the screen went black. A single line of text remained in the corner, flickering like a dying candle:

Leo opened his executor program. He copied the massive block of text from the Pastebin—a string of commands that promised to bend the game’s reality. Paste. Action: Inject. Action: Execute.