{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "1.0.428"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "a3b93f1a0b84c14b238c464a1eb93801efea06d6"
            }
          ],
          "repo": "https://github.com/octobercms/october",
          "type": "GIT"
        }
      ]
    }
  ],
  "details": "October CMS through 1.0.428 does not prevent use of .htaccess in themes, which allows remote authenticated users to execute arbitrary PHP code by downloading a theme ZIP archive from /backend/cms/themes, and then uploading and importing a modified archive with two new files: a .php file and a .htaccess file. NOTE: the vendor says \"I don't think [an attacker able to login to the system under an account that has access to manage/upload themes] is a threat model that we need to be considering.",
  "id": "CVE-2017-16941",
  "modified": "2026-03-13T21:50:56.902618384Z",
  "published": "2017-11-25T05:29:00.210Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://github.com/octobercms/october/issues/3257"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}