{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "3.0.4"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "81bad8b6649253bd972ac4158816189d38366216"
            }
          ],
          "repo": "https://github.com/monstra-cms/monstra",
          "type": "GIT"
        }
      ]
    }
  ],
  "details": "Monstra CMS 3.0.4 does not properly restrict modified Snippet content, as demonstrated by the admin/index.php?id=snippets\u0026action=edit_snippet\u0026filename=google-analytics URI, which allows attackers to execute arbitrary PHP code by placing this code after a \u003c?php substring.",
  "id": "CVE-2018-15886",
  "modified": "2026-03-13T21:50:07.038268804Z",
  "published": "2018-09-10T13:29:00.400Z",
  "references": [
    {
      "type": "EVIDENCE",
      "url": "https://github.com/monstra-cms/monstra/issues/455"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}