{"id":"CVE-2023-23602","details":"A mishandled security check when creating a WebSocket in a WebWorker caused the Content Security Policy connect-src header to be ignored. This could lead to connections to restricted origins from inside WebWorkers. This vulnerability affects Firefox \u003c 109, Firefox ESR \u003c 102.7, and Thunderbird \u003c 102.7.","modified":"2026-03-15T21:45:07.406617Z","published":"2023-06-02T17:15:10.777Z","related":["ALSA-2023:0285","ALSA-2023:0288","ALSA-2023:0463","ALSA-2023:0476","MGASA-2023-0018","MGASA-2023-0034","SUSE-SU-2023:0111-1","SUSE-SU-2023:0112-1","SUSE-SU-2023:0113-1","SUSE-SU-2023:0329-1","openSUSE-SU-2024:12623-1","openSUSE-SU-2024:12627-1","openSUSE-SU-2024:12652-1","openSUSE-SU-2024:14572-1"],"references":[{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2023-01/"},{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2023-02/"},{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2023-03/"},{"type":"REPORT","url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1800890"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-23602.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"fixed":"109.0"}]},{"events":[{"introduced":"0"},{"fixed":"102.7"}]},{"events":[{"introduced":"0"},{"fixed":"102.7"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N"}]}