CVE-2021-23996
First published: Mon Apr 19 2021(Updated: )
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.
Credit: security@mozilla.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Firefox | <88 | 88 |
| Firefox | <88.0 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
Peer vulnerabilities
(Found alongside the following vulnerabilities)
Frequently Asked Questions
What is the severity of CVE-2021-23996?
The severity of CVE-2021-23996 is considered medium due to the potential for spoofing attacks.
How do I fix CVE-2021-23996?
To fix CVE-2021-23996, update your Mozilla Firefox browser to version 89 or later.
Who is affected by CVE-2021-23996?
CVE-2021-23996 affects users of Mozilla Firefox versions prior to 89.
What types of attacks can CVE-2021-23996 enable?
CVE-2021-23996 can enable spoofing attacks that may be used for phishing or other malicious activities.
Can CVE-2021-23996 be exploited remotely?
Yes, CVE-2021-23996 can be exploited remotely if users visit a specially crafted webpage.
- agent/type
- agent/first-publish-date
- agent/references
- agent/severity
- agent/author
- agent/description
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/event
- agent/trending
- agent/source
- agent/tags
- collector/mozilla-advisory
- agent/software-canonical-lookup-request
- source/Mozilla
- agent/software-canonical-lookup
- collector/nvd-index
- agent/softwarecombine
- vendor/mozilla
- canonical/firefox