CVE-2025-6434

Medium CVSS: 4.3

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 and Thunderbird < 140.

Vendor

Mozilla

Product

Firefox

CWE

CWE-1021

Yayın Tarihi

2025-06-24 13:15:24

Güncelleme

2025-07-14 19:15:35

Source Identifier

security@mozilla.org

KEV Date Added

Kategoriler

CWE-1021 Firefox MEDIUM Mozilla 2025

Referanslar

https://bugzilla.mozilla.org/show_bug.cgi?id=1955182 https://www.mozilla.org/security/advisories/mfsa2025-51/ https://www.mozilla.org/security/advisories/mfsa2025-54/

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