#VU50023 Spoofing attack in Mozilla Firefox - CVE-2021-23955
Published: January 26, 2021
Vulnerability identifier: #VU50023
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-2021-23955
CWE-ID: CWE-451
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 clickjacking attack.
The vulnerability exists due to misusing requestPointerLock. The browser could have been confused into transferring a pointer lock
state into another tab. A remote attacker can perform a clickjacking attack.
Remediation
Install updates from vendor's website.