All of these POC links are hosted using GitHub pages served from this repository.
This example will not activate your camera if you are running version 4.4.4 but will for earlier versions. https://jlleitschuh.org/zoom_vulnerability_poc/
This will activate your camera for all versions of the Zoom client for Mac released as of July 8th, 2019. https://jlleitschuh.org/zoom_vulnerability_poc/zoompwn_iframe.html