AUGUST 4, 2026
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Case File

CVE-2025-5271

MEDIUM · CVSS 6.5 EPSS 0.27%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2025-05-27 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 6.5. It affects Firefox.

CVE
CVE-2025-5271
Severity
MEDIUM
CVSS
6.5
EPSS
0.27%
Firefox

Original NVD Description

Previewing a response in Devtools ignored CSP headers, which could have allowed content injection attacks. This vulnerability was fixed in Firefox 139 and Thunderbird 139.

Related CVEs

Other vulnerabilities affecting the same vendor(s)