CyberRota Analysis
This is a medium severity vulnerability with a CVSS score of 4.3. It affects Firefox.
CVE
CVE-2025-6434
Severity
MEDIUM
CVSS
4.3
EPSS
0.23%
Firefox
Original NVD Description
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 was fixed in Firefox 140 and Thunderbird 140.
Related CVEs
Other vulnerabilities affecting the same vendor(s)