Security advisory

{
  "id": "194b149dee0d270a92a9863933dab027c3f29df365b40355beb69ace5b472ddc",
  "url": "https://osv.dev/vulnerability/CVE-2019-17220",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2019-17220",
    "summary": "Rocket.Chat before 2.1.0 allows XSS via a URL on a ![title] line.",
    "evidence": "osv:CVE-2019-17220",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2019-17220",
      "aliases": [
        "CVE-2019-17220"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/rocketchat/rocket.chat",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "c95663d2cae44464573c20a824c40a9328c29d09"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:rocket.chat:rocket.chat:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "2.1.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "0.74.3",
            "2.0.0",
            "1.3.2",
            "1.3.1",
            "1.3.0",
            "1.2.1",
            "1.0.3",
            "1.1.3",
            "1.2.0",
            "1.1.2",
            "1.1.1",
            "1.1.0",
            "1.0.2",
            "1.0.1",
            "1.0.0",
            "0.74.2",
            "0.74.1",
            "0.74.0",
            "0.73.2",
            "0.73.1",
            "0.73.0",
            "0.72.3",
            "0.72.2",
            "0.72.1",
            "0.70.4",
            "0.71.1",
            "0.72.0",
            "0.71.0",
            "0.70.3",
            "0.70.2",
            "0.70.1",
            "0.70.0",
            "0.69.2",
            "0.69.1",
            "0.69.0",
            "0.68.5",
            "0.68.4",
            "0.68.3",
            "0.68.2",
            "0.68.1",
            "0.68.0",
            "0.67.0",
            "0.66.3",
            "0.66.2",
            "0.66.1",
            "0.66.0",
            "0.65.2",
            "0.65.1",
            "0.65.0",
            "0.64.2",
            "0.64.1",
            "0.64.0",
            "0.63.3",
            "0.63.2",
            "0.63.1",
            "0.63.0",
            "0.62.2",
            "0.62.1",
            "0.62.0",
            "0.61.2",
            "0.61.1",
            "0.61.0",
            "0.60.4",
            "0.60.3",
            "0.60.2",
            "0.60.1",
            "0.60.0",
            "0.59.6",
            "0.59.5",
            "0.59.4",
            "0.59.3",
            "0.59.2",
            "0.59.1",
            "0.59.0",
            "0.58.2",
            "0.58.1",
            "0.58.0",
            "0.57.2",
            "0.57.1",
            "0.57.0",
            "0.56.0",
            "0.56.0-rc.7",
            "0.56.0-rc.6",
            "0.56.0-rc.5",
            "0.56.0-rc.4",
            "0.56.0-rc.3",
            "0.56.0-rc.2",
            "0.56.0-rc.1",
            "0.56.0-rc.0",
            "0.54.1",
            "0.54.0",
            "0.50.0",
            "0.49.4",
            "0.49.3",
            "0.49.2",
            "0.49.1",
            "0.49.0",
            "0.48.0",
            "0.46.0",
            "0.45.0",
            "0.44.0",
            "0.43.0",
            "0.42.0",
            "0.41.0",
            "0.40.1",
            "0.40.0",
            "0.39.0",
            "0.38.0",
            "0.37.1",
            "0.37.0",
            "0.36.0",
            "0.30.0",
            "0.29.0",
            "0.28.0",
            "0.27.0",
            "0.26.0",
            "0.25.0",
            "0.24.0",
            "0.23.0",
            "0.19.0",
            "0.18.0",
            "0.17.0",
            "0.16.0",
            "0.15.0",
            "0.14.0",
            "0.13.0",
            "0.11.0",
            "0.10.2",
            "0.10.1",
            "0.10.0",
            "0.8.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-17220.json"
          }
        }
      ],
      "modified": "2026-10-20T10:50:13.826183424Z",
      "provider": "osv",
      "references": [
        "https://github.com/RocketChat/Rocket.Chat/releases",
        "https://github.com/RocketChat/Rocket.Chat/commits/develop",
        "https://www.nezami.me/"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2019-17220",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 381415,
  "published_at": "2019-10-21T21:15:10.767+00:00"
}