CyberRota Analysis
This is a critical severity vulnerability with a CVSS score of 9.1. It affects Firefox.
CVE
CVE-2025-6427
Severity
CRITICAL
CVSS
9.1
EPSS
0.30%
Firefox
Original NVD Description
An attacker was able to bypass the `connect-src` directive of a Content Security Policy by manipulating subdocuments. This would have also hidden the connections from the Network tab in Devtools. This vulnerability was fixed in Firefox 140 and Thunderbird 140.
Related CVEs
Other vulnerabilities affecting the same vendor(s)