#VU124318 Exposure of sensitive information to an unauthorized actor in Mozilla products - CVE-2026-4712
Published: March 24, 2026
Vulnerability identifier: #VU124318
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-4712
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Mozilla Firefox
Firefox ESR
Firefox for Android
Mozilla Firefox
Firefox ESR
Firefox for Android
Software vendor:
Mozilla
Mozilla
Description
The vulnerability allows a remote attacker to disclose sensitive information.
The vulnerability exists due to information disclosure in the Widget: Cocoa component when handling UI events. A remote attacker can trick the victim into visiting a specially crafted website to disclose sensitive information.
Remediation
Install security update from vendor's website.