Cloud Vulnerability DB
An open project to list all known cloud vulnerabilities and Cloud Service Provider security issues
Vulnerability DatabaseCVE-2025-5267
CVE-2025-5267:
Mozilla Firefox vulnerability analysis and mitigation
Overview
A clickjacking vulnerability (CVE-2025-5267) was discovered in Firefox versions prior to 139 and Firefox ESR versions prior to 128.11. The vulnerability was reported by security researcher Ameen Basha M K and was disclosed on May 27, 2025 (Mozilla Advisory, NVD).
Technical details
The vulnerability is classified as a clickjacking issue (CWE-1021: Improper Restriction of Rendered UI Layers or Frames) with a CVSS v3.1 base score of 5.4 (Medium), vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N (NVD).
Impact
If exploited, the vulnerability could allow attackers to trick users into unknowingly leaking their saved payment card details to malicious websites (Mozilla Advisory, GBHackers).
Mitigation and workarounds
The vulnerability has been fixed in Firefox 139 and Firefox ESR 128.11. Users are advised to update their browsers to these versions or later to protect against this security issue (Mozilla Advisory).
Additional resources
Source: This report was generated using AI
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