Spoofing attack in Mozilla products - CVE-2025-9183
Published: August 22, 2025
Vulnerability identifier: #VU114390
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-9183
CWE-ID: CWE-451
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Mozilla
Affected software:
Firefox ESR
Mozilla Firefox
Firefox for Android
Firefox Focus for Android
Firefox ESR
Mozilla Firefox
Firefox for Android
Firefox Focus for Android
Detailed vulnerability description
The vulnerability allows a remote attacker to perform spoofing attack.
The vulnerability exists due to incorrect processing HTML content. A remote attacker can trick the victim into visiting a malicious website and spoof the address bar.
How to mitigate CVE-2025-9183
Install updates from vendor's website.