Hi John Wu, thanks for this brilliant write-up. We would love to have this article on our publication — which is the largest repository on Medium of InfoSec-related write-ups: https://medium.com/bugbountywriteup.
I have added you as a writer there. Please do consider submitting it there.
You have to click on “Edit story” from the gear-shaped icon at the top right. Then from the 3 dots at top right, you have to select “Add to publication” and then, select “Infosec Writeups” from the list, and then from the “ready to submit” tab, click on “Submit”.