It would actually help the game, cheating doesn't.
Let me explain you this: You cheat to help game, ruin competition for other games/mods in this.
You cheat in game to help yourself, ruin competition for other players in this game.
Can you clearly see how you are only looking at your point? I hope so. It doesn't really mean if it's for you or for game, it's same story. You ruin it for someone to improve for you. Simple as this.
I managed to bypass their access-control-origin and directly send my http requests. But unfortunately, they have an encrypted hash and I am not sure what that hash is based on, I assume it's the viewer's ip dynamically encrypted (clever!), which makes it impossible for me to perform the needed request to submit the vote as it does not verify under the hash
Clearly you are not really good at this. But that's normal...