CVE-2025-6434 in Firefox

Sumário

de MITRE • 24/06/2025

The exception page for the HTTPS-Only feature, displayed when a website is opened via HTTP, lacked an anti-clickjacking delay, potentially allowing an attacker to trick a user into granting an exception and loading a webpage over HTTP. This vulnerability affects Firefox < 140.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

• Responsável: Mozilla
• Reservar: 20/06/2025
• Divulgação: 24/06/2025
• Moderação: aceite
• Entrada: VDB-313761
• CPE: pronto
• CWE: CWE-451 (confirmado)
• CVSS: 4.3 (VulDB)
• EPSS: 0.00227
• KEV: não
• Atividades: muito baixo
• Sector: Hospital, Chemical, ...

Fontes

• MITRE: https://www.cve.org/CVERecord?id=CVE-2025-6434
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-6434
• CVE Details: https://www.cvedetails.com/cve/CVE-2025-6434/