HortusFox through 6.3 Unrestricted File Upload via Plant Attachments

{
  "id": "cf0918e44b4e1434ebc12a7ada88049647591840aa9036802b2f4bce4f9092a1",
  "url": "https://osv.dev/vulnerability/CVE-2026-108101",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "HortusFox through 6.3 Unrestricted File Upload via Plant Attachments",
    "summary": "HortusFox (hortusfox-web) through 6.3 contains an unrestricted file upload vulnerability in PlantAttachmentModel that allows authenticated users to store files with client-supplied extensions under public/attachments/. Attackers can upload HTML or SVG files via /plants/attachments/add for stored cross-site scripting, or PHP files where .htaccess is unenforced to execute code.",
    "evidence": "osv:CVE-2026-108101",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2026-108101",
      "aliases": [
        "CVE-2026-108101",
        "GHSA-8phf-v3xj-8jjg"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/danielbrendel/hortusfox-web",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "c38b85cf03b4409d34ace3bfecddc2a8f90b4630"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "6.3"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  },
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "6.3"
                      }
                    ],
                    "source": "DESCRIPTION"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v6.3",
            "v6.2",
            "v6.1",
            "v6.0",
            "v5.9",
            "v5.8",
            "v5.7",
            "v5.6",
            "v5.5",
            "v5.4",
            "v5.3",
            "v5.2",
            "v5.1",
            "v5.0",
            "v4.9",
            "beta",
            "v4.8",
            "v4.7",
            "v4.6",
            "v4.5",
            "v4.4",
            "v4.3",
            "v4.2",
            "v4.1",
            "v4.0",
            "v3.9",
            "v3.8",
            "v3.7",
            "v3.6",
            "v3.5",
            "v3.4",
            "v3.3",
            "v3.2",
            "v3.1",
            "v3.0",
            "v2.5",
            "v2.4",
            "v2.3",
            "v2.2",
            "v2.1",
            "v2.0",
            "v1.6",
            "v1.5",
            "v1.4",
            "v1.3",
            "v1.2",
            "v1.1",
            "v1.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-108101.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:48.612913593Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/108xxx/CVE-2026-108101.json",
        "https://github.com/danielbrendel/hortusfox-web/security/advisories/GHSA-8phf-v3xj-8jjg",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-108101",
        "https://www.vulncheck.com/advisories/hortusfox-through-6.3-unrestricted-file-upload-via-plant-attachments",
        "https://github.com/danielbrendel/hortusfox-web",
        "https://github.com/danielbrendel/hortusfox-web/blob/v6.3/app/models/PlantAttachmentModel.php#L28-L31",
        "https://github.com/danielbrendel/hortusfox-web/blob/v6.3/app/resources/js/app.js#L466",
        "https://hackmd.io/@leediay/stored-xss-hortusfox-via-plant-attachment"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-434"
        ],
        "cna_assigner": "VulnCheck",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/108xxx/CVE-2026-108101.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-108101",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 516979,
  "published_at": "2026-10-09T14:08:08.807+00:00"
}