Vulnerability identifier: #VU74822
Vulnerability risk: Medium
CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-451
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Mozilla Firefox
Client/Desktop applications /
Web browsers
Firefox ESR
Client/Desktop applications /
Web browsers
Firefox for Android
Mobile applications /
Apps for mobile phones
Firefox Focus for Android
Mobile applications /
Apps for mobile phones
Vendor: Mozilla
Description
The vulnerability allows a remote attacker to perform spoofing attack.
The vulnerability exists due to incorrect processing of user-supplied data. A remote attacker can hide the fullscreen notification by using a combination of window.open, fullscreen requests, window.name assignments, and setInterval calls.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Mozilla Firefox: 100.0 - 111.0.1
Firefox ESR: 102.0 - 102.9.0
Firefox for Android: 100.1.0 - 111.1.1
External links
http://www.mozilla.org/en-US/security/advisories/mfsa2023-13/
http://www.mozilla.org/en-US/security/advisories/mfsa2023-14/
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.