{"id":"CVE-2025-5271","details":"Previewing a response in Devtools ignored CSP headers, which could have allowed content injection attacks. This vulnerability affects Firefox \u003c 139 and Thunderbird \u003c 139.","modified":"2026-05-04T08:50:27.526812Z","published":"2025-05-27T13:15:22.923Z","withdrawn":"2026-05-04T08:50:27.526812Z","related":["CGA-285q-9xqw-xpwp","openSUSE-SU-2025:15196-1"],"references":[{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2025-42/"},{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2025-45/"},{"type":"REPORT","url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1920348"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"fixed":"139.0"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-5271.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N"}]}