{
  "cveId": "CVE-2018-19351",
  "url": "https://patchblox.com/security/cve/CVE-2018-19351",
  "summary": "CVE-2018-19351 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 5.7.1 allows XSS via an untrusted notebook because nbconvert responses are considered to have...",
  "description": "Jupyter Notebook before 5.7.1 allows XSS via an untrusted notebook because nbconvert responses are considered to have the same origin as the notebook server. In other words, nbconvert endpoints can execute JavaScript with access to the server API. In notebook/nbconvert/handlers.py, NbconvertFileHandler and NbconvertPostHandler do not set a Content Security Policy to prevent this.",
  "published": "2018-11-18T09:29:00Z",
  "severity": "Medium",
  "epss": 0.01511,
  "epssPercentile": 0.74615,
  "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": "2026-11-07T18:46:35Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}