Using object or embed tags, it was possible to frame other websites, even if they disallowed framing using the X-Frame-Options header. This vulnerability affects Thunderbird < 78 and Firefox < 78.0.2.
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-15648.json"
[ { "events": [ { "introduced": "0" }, { "fixed": "78.0.2" } ] }, { "events": [ { "introduced": "0" }, { "fixed": "78.0" } ] } ]