AUGUST 4, 2026
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Case File

CVE-2025-6425

MEDIUM · CVSS 4.3 EPSS 0.26%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2025-06-24 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 4.3. It affects Firefox.

CVE
CVE-2025-6425
Severity
MEDIUM
CVSS
4.3
EPSS
0.26%
Firefox

Original NVD Description

An attacker who enumerated resources from the WebCompat extension could have obtained a persistent UUID that identified the browser, and persisted between containers and normal/private browsing mode, but not profiles. This vulnerability was fixed in Firefox 140, Firefox ESR 115.25, Firefox ESR 128.12, Thunderbird 140, and Thunderbird 128.12.

Related CVEs

Other vulnerabilities affecting the same vendor(s)