{
  "cveId": "CVE-2018-21030",
  "url": "https://patchblox.com/security/cve/CVE-2018-21030",
  "summary": "CVE-2018-21030 is fixed in 3 products on 1 platform, first by jupyter-notebook 5.2.2-1ubuntu0.1, released March 31, 2022. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "jupyter-notebook: Jupyter Notebook before 5.5.0 does not use a CSP header to treat served files as belonging to a separate origin",
  "description": "Jupyter Notebook before 5.5.0 does not use a CSP header to treat served files as belonging to a separate origin. Thus, for example, an XSS payload can be placed in an SVG document.",
  "published": "2019-10-31T08:15:00Z",
  "severity": "Medium",
  "epss": 0.01443,
  "epssPercentile": 0.73366,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "jupyter-notebook",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "5.2.2-1ubuntu0.1",
      "fix": "jupyter-notebook 5.2.2-1ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-jupyter-notebook-5.2.2-1ubuntu0.1",
      "released": "2022-03-31T16:15:00Z"
    },
    {
      "platform": "linux",
      "product": "python-notebook",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "5.2.2-1ubuntu0.1",
      "fix": "python-notebook 5.2.2-1ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-python-notebook-5.2.2-1ubuntu0.1",
      "released": "2022-03-31T16:15:00Z"
    },
    {
      "platform": "linux",
      "product": "python3-notebook",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "5.2.2-1ubuntu0.1",
      "fix": "python3-notebook 5.2.2-1ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-python3-notebook-5.2.2-1ubuntu0.1",
      "released": "2022-03-31T16:15:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-07T12:40:37Z"
}