{"id":"CVE-2020-7747","aliases":[],"url":"https://o3.security/vulnerability/CVE-2020-7747","summary":"Cross-site Scripting in lightning-server","details":"This affects all versions of package lightning-server. It is possible to inject malicious JavaScript code as part of a session controller.","published":"2021-05-10T18:39:15Z","modified":"2026-03-14T06:57:14.621277Z","cvss":{"score":6.3,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[{"ecosystem":"npm","name":"lightning-server","fixedVersion":null}],"fix":null,"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2020-7747"},{"type":"WEB","url":"https://github.com/lightning-viz/lightning/blob/master/app/controllers/session.js%23L230"},{"type":"WEB","url":"https://snyk.io/vuln/SNYK-JS-LIGHTNINGSERVER-1019381"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-03-14T06:57:14.621277Z"}}