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Previewing a response in Devtools ignored CSP headers, which could have allowed content injection attacks. This vulnerability affects Firefox < 139.
Reserved 2025-05-27 | Published 2025-05-27 | Updated 2025-05-27 | Assigner mozillaDevtools' preview ignored CSP headers
Satoki Tsuji
bugzilla.mozilla.org/show_bug.cgi?id=1920348
www.mozilla.org/security/advisories/mfsa2025-42/
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