{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "4.8.4"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "eb17367ddffc08ab9d7638b47b3ab700f232cd1e"
            }
          ],
          "repo": "https://github.com/textpattern/textpattern",
          "type": "GIT"
        }
      ]
    }
  ],
  "details": "Textpattern V4.8.4 contains an arbitrary file upload vulnerability where a plug-in can be loaded in the background without any security verification, which may lead to obtaining system permissions.",
  "id": "CVE-2021-30209",
  "modified": "2026-03-13T21:57:29.663047359Z",
  "published": "2021-04-15T14:15:17.217Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://github.com/textpattern/textpattern/issues/1655"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N",
      "type": "CVSS_V3"
    }
  ]
}