Hello Folks,
I hope may you all will be well on your side of the screen.
In https://www.vintagestory.at/ there is multiple files upload parts are available. As a Ethical Hacker, I can able to say it was mis-used.
I have uploaded the proof of concept video in my google drive and turned on the link and below given the link. Kindly check it out.
https://drive.google.com/file/d/1rdvQ7X0nG9TEueHnYER3BfkKk39O_aAn/view?usp=sharing
Cheers!