CVE-2021-23996Mozilla Firefox vulnerability

7 documents6 sources
Severity
6.5MEDIUMNVD
OSV8.8
EPSS
0.3%
top 49.47%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedJun 24
Latest updateMay 24

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:NExploitability: 2.8 | Impact: 3.6

Affected Packages5 packages

debiandebian/firefox< firefox 88.0-1 (sid)
CVEListV5mozilla/firefoxunspecified88
NVDmozilla/firefox< 88.0
Ubuntumozilla/firefox< 88.0+build2-0ubuntu0.16.04.1+2
mozillamozilla/firefox

🔴Vulnerability Details

3
GHSA
GHSA-h8mr-497v-gmmm: By utilizing 3D CSS in conjunction with Javascript, content could have been rendered outside the webpage's viewport, resulting in a spoofing attack th2022-05-24
OSV
firefox vulnerabilities2021-04-26
OSV
CVE-2021-23996: By utilizing 3D CSS in conjunction with Javascript, content could have been rendered outside the webpage's viewport, resulting in a spoofing attack th2021-04-19

📋Vendor Advisories

3
Ubuntu
Firefox vulnerabilities2021-04-26
Debian
CVE-2021-23996: firefox - By utilizing 3D CSS in conjunction with Javascript, content could have been rend...2021
Mozilla
Mozilla Foundation Security Advisory 2021-16: CVE-2021-23996