{"id":"CVE-2020-12391","details":"Documents formed using data: URLs in an OBJECT element failed to inherit the CSP of the creating context. This allowed the execution of scripts that should have been blocked, albeit with a unique opaque origin. This vulnerability affects Firefox \u003c 76.","modified":"2026-05-04T08:33:13.308092Z","published":"2020-05-26T18:15:11.293Z","withdrawn":"2026-05-04T08:33:13.308092Z","related":["openSUSE-SU-2024:10600-1","openSUSE-SU-2024:14572-1"],"references":[{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2020-16/"},{"type":"REPORT","url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1457100"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"fixed":"76.0"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-12391.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:N/I:H/A:N"}]}