{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "2.3.4.1"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "94e9e9efe7994bf88d8ade2e64881b4bfe1745d4"
            }
          ],
          "repo": "https://github.com/oscommerce/oscommerce2",
          "type": "GIT"
        }
      ]
    }
  ],
  "details": "osCommerce 2.3.4.1 has an incomplete '.htaccess' for blacklist filtering in the \"product\" page. The .htaccess file in catalog/images/ bans the html extension, but there are several alternative cases in which HTML can be executed, such as a file with no extension or an unrecognized extension (e.g., the test or test.asdf filename).",
  "id": "CVE-2018-18965",
  "modified": "2026-03-13T21:50:44.533180977Z",
  "published": "2018-11-06T04:29:00.287Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/osCommerce/oscommerce2/issues/631"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N",
      "type": "CVSS_V3"
    }
  ]
}