#VU52335 Security restrictions bypass in Mozilla Firefox - CVE-2021-23996
Published: April 19, 2021
Vulnerability identifier: #VU52335
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-23996
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Mozilla Firefox
Mozilla Firefox
Software vendor:
Mozilla
Mozilla
Description
The vulnerability allows a remote attacker to perform spoofing attack.
The vulnerability exists due to application allows content rendering outside of the webpage's viewport. A remote attacker can utilize 3D CSS in conjunction with JavaScript to spoof contents of a web page.
Remediation
Install updates from vendor's website.