{"id":"CVE-2021-44791","aliases":["GHSA-8rmv-98m4-g5c6"],"url":"https://o3.security/vulnerability/CVE-2021-44791","summary":"Apache Druid before 0.23.0 vulnerable to reflected XSS via unescaped URL parameters","details":"In Apache Druid 0.22.1 and earlier, certain specially-crafted links result in unescaped URL parameters being sent back in HTML responses. This makes it possible to execute reflected XSS attacks.","published":"2022-07-07T19:15:07.790Z","modified":"2026-07-08T23:58:27.513437Z","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":0,"affectedPackages":[{"ecosystem":"Maven","name":"org.apache.druid:druid","fixedVersion":"0.23.0"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://lists.apache.org/thread/lh2kcl4j45q7xj4w6rqf6kwf0mvyp2o6"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T23:58:27.513437Z"}}