{
  "cveId": "CVE-2021-32862",
  "url": "https://patchblox.com/security/cve/CVE-2021-32862",
  "summary": "CVE-2021-32862 is fixed in nbconvert on 1 platform, first by DEBIAN-CVE-2021-32862, released August 18, 2022. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "nbconvert: The GitHub Security Lab discovered sixteen ways to exploit a cross-site scripting vulnerability in nbconvert",
  "description": "The GitHub Security Lab discovered sixteen ways to exploit a cross-site scripting vulnerability in nbconvert. When using nbconvert to generate an HTML version of a user-controllable notebook, it is possible to inject arbitrary HTML which may lead to cross-site scripting (XSS) vulnerabilities if these HTML notebooks are served by a web server (eg: nbviewer).",
  "published": "2022-08-18T19:15:14Z",
  "severity": "medium",
  "cvss": 5.4,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
  "epss": 0.0152,
  "epssPercentile": 0.74753,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "nbconvert",
      "release": "Debian 11.6 (bullseye)",
      "fixedVersion": "5.6.1-3\u002Bdeb11u1",
      "fix": "DLA-3863-1",
      "url": "https://patchblox.com/security/fix/linux/dla-3863-1",
      "released": "2024-09-02T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "nbconvert",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "6.5.1-1",
      "fix": "DEBIAN-CVE-2021-32862",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-32862",
      "released": "2022-08-18T19:15:14Z"
    },
    {
      "platform": "linux",
      "product": "nbconvert",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "6.5.1-1",
      "fix": "DEBIAN-CVE-2021-32862",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-32862",
      "released": "2022-08-18T19:15:14Z"
    },
    {
      "platform": "linux",
      "product": "nbconvert",
      "release": "Debian 14",
      "fixedVersion": "6.5.1-1",
      "fix": "DEBIAN-CVE-2021-32862",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-32862",
      "released": "2022-08-18T19:15:14Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-09T07:25:28Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}