Game-breaking glitch (instant achievements)

This glitch allows players to use /execute commands in achievement worlds while still being able to gain achievements, if they put no space between /execute and @s (I think). This allows players to give themselves items, go into creative mode, and even GAIN ACHIEVEMENTS IN CREATIVE MODE, without the game recognizing the cheats. PLEASE fix this. As I understand, it has been present for almost a month.

 

I believe this is present all over bedrock edition.