CVE Daily

CVE-2025-6434

The exception page for the HTTPS-Only feature, displayed when a website is opene...

Medium CVSS 4.3

Overview

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.

CWE: CWE-1021 Published: 2025-06-24T13:15:24.447
Risk analysis

This vulnerability is rated 🟡 MEDIUM.

  • CVSS: 4.3 (MEDIUM)
  • Detected tags: clickjacking (tag impact: LOW)

Recommended actions:

  • Prioritize remediation based on business criticality and exposure.
  • Limit exposure and increase monitoring until fixed.

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