{"id":"GHSA-gmch-cm2p-9qw9","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.","aliases":["CVE-2020-7747"],"modified":"2026-03-14T06:57:14.621277Z","published":"2021-05-10T18:39:15Z","database_specific":{"github_reviewed":true,"github_reviewed_at":"2021-04-21T18:19:08Z","nvd_published_at":"2020-10-20T11:15:00Z","cwe_ids":["CWE-79"],"severity":"MODERATE"},"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"}],"affected":[{"package":{"name":"lightning-server","ecosystem":"npm","purl":"pkg:npm/lightning-server"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"last_affected":"1.3.0"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2021/05/GHSA-gmch-cm2p-9qw9/GHSA-gmch-cm2p-9qw9.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N"}]}