Security advisory

{
  "id": "f9b56fbd024f0e4f8cbd615e0ad9629de5262b6599061a77c36a9c3a2449f333",
  "url": "https://osv.dev/vulnerability/CVE-2017-9442",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2017-9442",
    "summary": "BigTree CMS through 4.2.18 allows remote authenticated users to execute arbitrary code by uploading a crafted package containing a PHP web shell, related to extraction of a ZIP archive to filename patterns such as cache/package/xxx/yyy.php. This issue exists in core\\admin\\modules\\developer\\extensions\\install\\unpack.php and core\\admin\\modules\\developer\\packages\\install\\unpack.php. NOTE: the vendor states \"You must implicitly trust any package or extension you install as they all have the ability to write PHP files.",
    "evidence": "osv:CVE-2017-9442",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2017-9442",
      "aliases": [
        "CVE-2017-9442"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/bigtreecms/bigtree-cms",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "9f8ecb0a5d9a575353ec8db26fc9d8c233c1fcdb"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:bigtreecms:bigtree_cms:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "4.2.18"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "4.2.18",
            "4.2.17",
            "4.2.16",
            "4.2.15",
            "4.2.14",
            "4.2.13",
            "4.2.12",
            "4.2.11",
            "4.2.10",
            "4.2.9",
            "4.2.8",
            "4.2",
            "v4.0b3",
            "4.0beta2",
            "v4.0b1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-9442.json"
          }
        }
      ],
      "modified": "2026-10-20T10:49:35.765911774Z",
      "provider": "osv",
      "references": [
        "https://github.com/bigtreecms/BigTree-CMS/issues/291"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2017-9442",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 380595,
  "published_at": "2017-06-05T19:29:00.26+00:00"
}