{"id":"CVE-2021-32561","aliases":["GHSA-vcx4-fpmp-mvv6","PYSEC-2021-30"],"url":"https://o3.security/vulnerability/CVE-2021-32561","summary":"OctoPrint API Error Messages vulnerable to XSS","details":"OctoPrint before 1.6.0 allows XSS because API error messages include the values of input parameters.","published":"2021-05-11T14:15:07.390Z","modified":"2026-08-27T08:40:39.024490Z","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":{"score":0.01152,"percentile":0.64068,"asOf":"2026-08-23"},"cisaKev":null,"exploitsKnown":1,"affectedPackages":[{"ecosystem":"PyPI","name":"octoprint","fixedVersion":"1.6.0"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://github.com/OctoPrint/OctoPrint/releases/tag/1.6.0"},{"type":"ADVISORY","url":"https://octoprint.org/blog/2021/04/27/new-release-1.6.0/"},{"type":"EVIDENCE","url":"https://www.brzozowski.io/web-applications/2021/05/11/the-insecure-story-of-octoprint.html"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-32561"},{"type":"PACKAGE","url":"https://github.com/OctoPrint/OctoPrint"},{"type":"WEB","url":"https://github.com/pypa/advisory-database/tree/main/vulns/octoprint/PYSEC-2021-30.yaml"},{"type":"WEB","url":"https://octoprint.org/blog/2021/04/27/new-release-1.6.0"},{"type":"WEB","url":"https://www.brzozowski.io"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-27T08:40:39.024490Z"}}