{"id":"CVE-2020-8127","details":"Insufficient validation in cross-origin communication (postMessage) in reveal.js version 3.9.1 and earlier allow attackers to perform cross-site scripting attacks.","aliases":["GHSA-6vwx-mwp8-fh44"],"modified":"2026-07-09T00:37:41.869873Z","published":"2020-02-28T20:15:11.537Z","references":[{"type":"EVIDENCE","url":"https://hackerone.com/reports/691977"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/hakimel/reveal.js","events":[{"introduced":"0"},{"last_affected":"eaf3988311162697fdc0a25f4158eb9e2509f9d7"}],"database_specific":{"source":"CPE_RANGE","cpe":"cpe:2.3:a:revealjs:reveal.js:*:*:*:*:*:node.js:*:*","extracted_events":[{"introduced":"0"},{"last_affected":"3.9.1"}]}}],"versions":["3.9.1","3.9.0","3.8.0","3.7.0","3.6.0","3.5.0","3.4.0","3.3.0","3.2.0","3.1.0","3.0.0","2.6.2","2.6.1","2.6.0","2.5.0","2.4.0","2.3.0","2.2.0","2.1.0","2.0.0","1.4.0","1.3.0","1.2.0","1.1.0","1.0.0","0.3.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-8127.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"}]}