CVE ID:	CVE-2021-23996
Description:	By utilizing 3D CSS in conjunction with Javascript, content could have been rendered outside the webpage's viewport, resulting in a spoofing attack that could have been used for phishing or other attacks on a user. This vulnerability affects Firefox < 88.
Test IDs:	None available
Cross References:	Common Vulnerability Exposure (CVE) ID: CVE-2021-23996 https://bugzilla.mozilla.org/show_bug.cgi?id=1701834 https://bugzilla.mozilla.org/show_bug.cgi?id=1701834 https://www.mozilla.org/security/advisories/mfsa2021-16/ https://www.mozilla.org/security/advisories/mfsa2021-16/