{"id":"CVE-2021-44791","aliases":["EUVD-2022-6296","GHSA-8rmv-98m4-g5c6"],"status":"published","title":"Reflected XSS on certain HTTP endpoints","description":"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.","severity":{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.02275,"percentile":0.83349,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-79"],"published":"2022-07-07T18:35:16Z","modified":"2026-10-24T10:30:19Z","fixes":[{"ecosystem":"Maven","package":"org.apache.druid:druid","fixed_in":["0.23.0"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Maven","package":"org.apache.druid:druid","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.23.0"}]}]},{"source":"osv","ecosystem":"Maven","package":"org.apache.druid:druid","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.23.0"}]}],"versions":["0.13.0-incubating","0.14.0-incubating","0.14.1-incubating","0.14.2-incubating","0.15.0-incubating","0.15.1-incubating","0.16.0-incubating","0.16.1-incubating","0.17.0","0.17.1","0.18.0","0.18.1","0.19.0","0.20.0","0.20.1","0.20.2","0.21.0","0.21.1","0.22.0","0.22.1"]}],"products":[{"vendor":"apache","product":"druid"},{"vendor":"apache software foundation","product":"apache druid"}],"references":[{"url":"https://lists.apache.org/thread/lh2kcl4j45q7xj4w6rqf6kwf0mvyp2o6","tags":["x_refsource_MISC","x_transferred","Mailing List","Vendor Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-44791","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-8rmv-98m4-g5c6"},{"url":"https://github.com/apache/druid","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2021-44791","title":"Reflected XSS on certain HTTP endpoints","description":"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.","status":"published","published":"2022-07-07T18:35:16Z","modified":"2024-08-04T04:32:13.108Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:33:01.166399Z"}],"euvd":[{"id":"EUVD-2022-6296","description":"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.","status":"published","published":"2022-07-07T18:35:16Z","modified":"2024-08-04T04:32:13Z","updated_at":"2026-11-03T03:08:28.023592Z"}],"ghsa":[{"id":"GHSA-8rmv-98m4-g5c6","title":"Apache Druid before 0.23.0 vulnerable to reflected XSS via unescaped URL parameters","description":"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. This issue is patched in version 0.23.0.","status":"published","published":"2022-07-08T00:00:43Z","modified":"2023-01-27T05:05:25Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:36:21.8171Z"}],"nvd":[{"id":"CVE-2021-44791","description":"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.","status":"published","published":"2022-07-07T19:15:07.79Z","modified":"2026-06-17T04:12:51.077Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:07:06.501652Z"}],"osv":[{"id":"CVE-2021-44791","description":"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.","status":"published","published":"2022-07-07T19:15:07.79Z","modified":"2026-10-24T10:30:19.900821814Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:21.877444Z"},{"id":"GHSA-8rmv-98m4-g5c6","title":"Apache Druid before 0.23.0 vulnerable to reflected XSS via unescaped URL parameters","description":"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. This issue is patched in version 0.23.0.","status":"published","published":"2022-07-08T00:00:43Z","modified":"2023-11-08T04:07:18.475229Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:46:42.78452Z"}]}}