{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:showdoc:showdoc:2.9.5:*:*:*:*:*:*:*",
            "extracted_events": [
              {
                "introduced": "2.9.5"
              },
              {
                "last_affected": "2.9.5"
              }
            ],
            "source": "CPE_STRING"
          },
          "events": [
            {
              "introduced": "149f8602a75bdaa5a99aaf8418aa11990f5c03f5"
            },
            {
              "last_affected": "149f8602a75bdaa5a99aaf8418aa11990f5c03f5"
            }
          ],
          "repo": "https://github.com/star7th/showdoc",
          "type": "GIT"
        }
      ],
      "versions": [
        "2.9.5"
      ]
    }
  ],
  "database_specific": {},
  "details": "Unrestricted File Upload in ShowDoc v2.9.5 allows remote attackers to execute arbitrary code via the 'file_url' parameter in the component AdminUpdateController.class.php'.",
  "id": "CVE-2021-36440",
  "modified": "2026-08-07T11:31:10.992850507Z",
  "published": "2021-09-08T21:15:10.657Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://github.com/star7th/showdoc/issues/1406"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}