{
  "cveId": "CVE-2021-43331",
  "url": "https://patchblox.com/security/cve/CVE-2021-43331",
  "summary": "CVE-2021-43331 is fixed in mailman on 1 platform, first by mailman 1:2.1.26-1ubuntu0.5, released November 12, 2021. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "mailman: In GNU Mailman before 2.1.36, a crafted URL to the Cgi/options.py user options page can execute arbitrary JavaScript...",
  "description": "In GNU Mailman before 2.1.36, a crafted URL to the Cgi/options.py user options page can execute arbitrary JavaScript for XSS.",
  "published": "2021-11-12T13:15:00Z",
  "severity": "Medium",
  "epss": 0.01381,
  "epssPercentile": 0.72295,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "mailman",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1:2.1.26-1ubuntu0.5",
      "fix": "mailman 1:2.1.26-1ubuntu0.5",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-mailman-1-2.1.26-1ubuntu0.5",
      "released": "2021-11-12T13:15:00Z"
    },
    {
      "platform": "linux",
      "product": "mailman",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1:2.1.29-1ubuntu3.1\u002Besm1",
      "fix": "mailman 1:2.1.29-1ubuntu3.1\u002Besm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-mailman-1-2.1.29-1ubuntu3.1-esm1",
      "released": "2021-11-12T13:15:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T13:06:02Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}