Security advisory

{
  "id": "795d6edd07e201349b88a1ce3ed29ad8c5ead778871958cfd56a4e2edd0de4b1",
  "url": "https://osv.dev/vulnerability/CVE-2018-20405",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2018-20405",
    "summary": "BigTree 4.3 allows full path disclosure via authenticated admin/news/ input that triggers a syntax error. NOTE: This has been disputed with the following reasoning: \"The issue reported requires full developer level access to the content management system where cross site scripting is not an issue -- you already have full control of the CMS including running arbitrary PHP.",
    "evidence": "osv:CVE-2018-20405",
    "products": [],
    "severity": "low",
    "structured": {
      "id": "CVE-2018-20405",
      "aliases": [
        "CVE-2018-20405"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/bigtreecms/bigtree-cms",
              "type": "GIT",
              "events": [
                {
                  "introduced": "c2ef1c99dbd8ff71c466b8d5bd3cbcca3909274b"
                },
                {
                  "last_affected": "c2ef1c99dbd8ff71c466b8d5bd3cbcca3909274b"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:bigtreecms:bigtree:4.3:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "4.3"
                      },
                      {
                        "last_affected": "4.3"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "4.3"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-20405.json"
          }
        }
      ],
      "modified": "2026-10-20T10:48:20.618261317Z",
      "provider": "osv",
      "references": [
        "https://github.com/bigtreecms/BigTree-CMS/issues/354"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2018-20405",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 380288,
  "published_at": "2018-12-23T23:29:00.227+00:00"
}