If upgrade-insecure-requests was specified in the Content Security Policy, and a link was dragged and dropped from that page, the link was not upgraded to https. This vulnerability affects Firefox < 70.
[ { "events": [ { "introduced": "0" }, { "fixed": "70.0" } ] } ]
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-17002.json"