{
  "affected": [
    {
      "package": {
        "ecosystem": "npm",
        "name": "markdown-to-jsx"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "6.11.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [],
  "database_specific": {
    "cwe_ids": [
      "CWE-79"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2020-08-31T18:51:20Z",
    "nvd_published_at": null,
    "severity": "HIGH"
  },
  "details": "Versions of `markdown-to-jsx` prior to 6.11.4 are vulnerable to Cross-Site Scripting. Due to insufficient input sanitization the package may render output containing malicious JavaScript. This vulnerability can be exploited through input of links containing `data` or VBScript URIs and a base64-encoded payload.\n\n\n## Recommendation\n\nUpgrade to version 6.11.4 or later.",
  "id": "GHSA-ccrp-c664-8p4j",
  "modified": "2021-09-29T19:59:57Z",
  "published": "2020-09-03T21:17:36Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/probablyup/markdown-to-jsx/pull/307"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/probablyup/markdown-to-jsx"
    },
    {
      "type": "WEB",
      "url": "https://www.npmjs.com/advisories/1219"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [],
  "summary": "Cross-Site Scripting in markdown-to-jsx"
}