Cross-origin iframes that contained a login form could have been recognized by the login autofill service, and populated. This could have been used in clickjacking attacks, as well as be read across partitions in dynamic first party isolation. This vulnerability affects Firefox < 83. Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-26962 Reference (s):
- https://www.mozilla.org/security/advisories/mfsa2020-50/
- URL: https://www.mozilla.org/security/advisories/mfsa2020-50/
- https://bugzilla.mozilla.org/show_bug.cgi?id=610997
- URL: https://bugzilla.mozilla.org/show_bug.cgi?id=610997