CVE-2018-5169
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 …
Published: 2018-06-11 · CVSS: Unscored
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. This vulnerability affects Firefox < 60.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7