{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "0"
              },
              {
                "fixed": "3.9.0"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "d05e26f4fc0d770bfdaed7e8b81a55dbc85dc1d3"
            }
          ],
          "repo": "https://github.com/rocketchat/rocket.chat",
          "type": "GIT"
        }
      ]
    }
  ],
  "details": "A link preview rendering issue in Rocket.Chat versions before 3.9 could lead to potential XSS attacks.",
  "id": "CVE-2020-8291",
  "modified": "2026-03-13T21:55:28.399280228Z",
  "published": "2021-10-18T13:15:09.063Z",
  "references": [
    {
      "type": "FIX",
      "url": "https://github.com/RocketChat/Rocket.Chat/pull/19854"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}