{"id":"CVE-2020-8823","aliases":["GHSA-hh8v-jmh3-9437","SNYK-JS-SOCKJS-548397"],"url":"https://o3.security/vulnerability/CVE-2020-8823","summary":"Cross-site scripting in SocksJS-node","details":"htmlfile in lib/transport/htmlfile.js in SockJS before 0.3.0 is vulnerable to Reflected XSS via the /htmlfile c (aka callback) parameter.","published":"2020-02-10T03:15:10.677Z","modified":"2026-07-09T00:21:52.273354Z","cvss":{"score":6.1,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[{"ecosystem":"npm","name":"sockjs","fixedVersion":"0.3.0"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://github.com/theyiyibest/Reflected-XSS-on-SockJS/issues/1"},{"type":"ADVISORY","url":"https://snyk.io/vuln/SNYK-JS-SOCKJS-548397"},{"type":"ADVISORY","url":"https://www.sockjs.org"},{"type":"FIX","url":"https://github.com/theyiyibest/Reflected-XSS-on-SockJS"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-09T00:21:52.273354Z"}}