If manipulated hyperlinked text with `chrome:` URL contained in it is dragged and dropped on the "home" icon, the home page can be reset to include a normally-unlinkable chrome page as one of the home page tabs. External Reference: https://www.mozilla.org/en-US/security/advisories/mfsa2018-11/#CVE-2018-5169
Acknowledgments: Name: the Mozilla project Upstream: Abdulrahman Alqabandi