{"id":"CVE-2023-23603","details":"Regular expressions used to filter out forbidden properties and values from style directives in calls to `console.log` weren't accounting for external URLs. Data could then be potentially exfiltrated from the browser. This vulnerability affects Firefox \u003c 109, Firefox ESR \u003c 102.7, and Thunderbird \u003c 102.7.","modified":"2026-03-15T22:45:49.565573Z","published":"2023-06-02T17:15:10.823Z","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=1800832"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-23603.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:H/I:N/A:N"}]}