CVE ID:	CVE-2021-38497
Description:	Through use of reportValidity() and window.open(), a plain-text validation message could have been overlaid on another origin, leading to possible user confusion and spoofing attacks. This vulnerability affects Firefox < 93, Thunderbird < 91.2, and Firefox ESR < 91.2.
Test IDs:	None available
Cross References:	Common Vulnerability Exposure (CVE) ID: CVE-2021-38497 https://bugzilla.mozilla.org/show_bug.cgi?id=1726621 https://bugzilla.mozilla.org/show_bug.cgi?id=1726621 https://www.mozilla.org/security/advisories/mfsa2021-43/ https://www.mozilla.org/security/advisories/mfsa2021-43/ https://www.mozilla.org/security/advisories/mfsa2021-45/ https://www.mozilla.org/security/advisories/mfsa2021-45/ https://www.mozilla.org/security/advisories/mfsa2021-47/ https://www.mozilla.org/security/advisories/mfsa2021-47/