ghsa-rm24-25xm-9454
Vulnerability from github
Published
2022-05-24 17:21
Modified
2025-10-22 21:58
Summary
Mattermost Server: Files may be rendered inline instead of downloaded, allowing script execution
Details

An issue was discovered in Mattermost Server before 2.2.0. It allows XSS because it configures files to be opened in a browser window.

Show details on source website


{
  "affected": [
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/mattermost/mattermost-server"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.2.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2016-11083"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-79"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2025-10-22T21:58:04Z",
    "nvd_published_at": "2020-06-19T20:15:00Z",
    "severity": "MODERATE"
  },
  "details": "An issue was discovered in Mattermost Server before 2.2.0. It allows XSS because it configures files to be opened in a browser window.",
  "id": "GHSA-rm24-25xm-9454",
  "modified": "2025-10-22T21:58:04Z",
  "published": "2022-05-24T17:21:02Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2016-11083"
    },
    {
      "type": "WEB",
      "url": "https://github.com/mattermost/mattermost/commit/480308b7029a04cf41d0e9e7cd68b52dc2138e98"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/mattermost/mattermost"
    },
    {
      "type": "WEB",
      "url": "https://mattermost.com/security-updates"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Mattermost Server: Files may be rendered inline instead of downloaded, allowing script execution"
}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
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  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.


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