Security Advisory

CVE-2025-5271

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2025-05-27 12:29:29

Last updated 2026-04-13 14:30:48

Assigner mozilla

State PUBLISHED

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.

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