Protection Mechanism Failure in Mozilla products - CVE-2025-4083
Published: April 29, 2025
Vulnerability identifier: #VU108046
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2025-4083
CWE-ID: CWE-693
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Mozilla
Affected software:
Firefox for Android
Mozilla Firefox
Firefox ESR
Firefox for Android
Mozilla Firefox
Firefox ESR
Detailed vulnerability description
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to insufficient process isolation when handling "javascript:" URI links. An attacker can trick the victim into clicking on a specially crafted link and execute content in the top-level document's process instead of the intended frame.
How to mitigate CVE-2025-4083
Install updates from vendor's website.