Bug 2368753 (CVE-2025-5271) - CVE-2025-5271 firefox: Devtools' preview ignored CSP headers
Summary: CVE-2025-5271 firefox: Devtools' preview ignored CSP headers
Keywords:
Status: NEW
Alias: CVE-2025-5271
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2025-05-27 13:01 UTC by OSIDB Bzimport
Modified: 2025-05-29 15:39 UTC (History)
5 users (show)

Fixed In Version:
Clone Of:
Environment:
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Description OSIDB Bzimport 2025-05-27 13:01:31 UTC 
Previewing a response in Devtools ignored CSP headers, which could have allowed content injection attacks. This vulnerability affects Firefox < 139.
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