---
id: CVE-2026-108101
title: >-
  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/
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
  uplo…
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-434
published: '2026-10-09'
updated: '2026-10-13'
sourceUpdated: '2026-10-13T17:17:19.007'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-108101'
references:
  - url: 'https://github.com/danielbrendel/hortusfox-web'
    label: disclosure@vulncheck.com
  - url: >-
      https://github.com/danielbrendel/hortusfox-web/blob/v6.3/app/models/PlantAttachmentModel.php#L28-L31
    label: disclosure@vulncheck.com
  - url: >-
      https://github.com/danielbrendel/hortusfox-web/blob/v6.3/app/resources/js/app.js#L466
    label: disclosure@vulncheck.com
  - url: >-
      https://github.com/danielbrendel/hortusfox-web/security/advisories/GHSA-8phf-v3xj-8jjg
    label: disclosure@vulncheck.com
  - url: 'https://hackmd.io/@leediay/stored-xss-hortusfox-via-plant-attachment'
    label: disclosure@vulncheck.com
  - url: >-
      https://www.vulncheck.com/advisories/hortusfox-through-6.3-unrestricted-file-upload-via-plant-attachments
    label: disclosure@vulncheck.com
tags:
  - nvd
  - cve.org
epss: 0.00393
epssPercentile: 0.33303
ingestedAt: '2026-10-09T16:02:33.378Z'
vendor: danielbrendel
product: hortusfox-web
affected:
  - hortusfox-web <= 6.3
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-10-13T16:49:26.952050Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.