Main Vulnerability Database Vulnerabilities #VU109880

Protection Mechanism Failure in Mozilla Firefox and Firefox for Android - CVE-2025-5271

Published: May 27, 2025

Vulnerability identifier: #VU109880

CSH Severity: Low

CVSS v4.0: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear

CVE-ID: CVE-2025-5271

CWE-ID: CWE-693

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vendor: Mozilla

Affected software:
Mozilla Firefox
Firefox for Android

Detailed vulnerability description

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to Devtools ignores CSP headers when previewing content. A remote attacker can perform content injection attacks.

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