{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "0"
              },
              {
                "fixed": "2.1.0"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "c95663d2cae44464573c20a824c40a9328c29d09"
            }
          ],
          "repo": "https://github.com/rocketchat/rocket.chat",
          "type": "GIT"
        }
      ]
    }
  ],
  "details": "Rocket.Chat before 2.1.0 allows XSS via a URL on a ![title] line.",
  "id": "CVE-2019-17220",
  "modified": "2026-03-13T21:50:11.788497310Z",
  "published": "2019-10-21T21:15:10.767Z",
  "references": [
    {
      "type": "WEB",
      "url": "http://packetstormsecurity.com/files/154944/Rocket.Chat-2.1.0-Cross-Site-Scripting.html"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/RocketChat/Rocket.Chat/releases"
    },
    {
      "type": "FIX",
      "url": "https://github.com/RocketChat/Rocket.Chat/commits/develop"
    },
    {
      "type": "EVIDENCE",
      "url": "https://www.nezami.me/"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}