---
title: "CVE-2026-108101: HortusFox hortusfox-web - Unrestricted File Upload"
description: "HortusFox (hortusfox-web) through 6.3 contains an unrestricted file upload vulnerability in PlantAttachmentModel, letting authenticated users upload malicious files for stored cross-site scripting or remote code execution, exploit requires user authentication."
url: https://panop.io/threat-heartbeat/CVE-2026-108101/
---

# CVE-2026-108101 HortusFox hortusfox-web - Unrestricted File Upload

HortusFox (hortusfox-web) through 6.3 contains an unrestricted file upload vulnerability in PlantAttachmentModel, letting authenticated users upload malicious files for stored cross-site scripting or remote code execution, exploit requires user authentication.

CVSS base score 7.5 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.39% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-108101)

## Details

Type

Unrestricted File Upload

Impact

Remote Code Execution, Stored XSS

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Published

9 October 2026

Updated

15 October 2026

Weakness

[CWE-434](https://cwe.mitre.org/data/definitions/434.html)

## Vendor fix

Update to the latest version beyond 6.3.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-108101](https://nvd.nist.gov/vuln/detail/CVE-2026-108101)
- [https://github.com/danielbrendel/hortusfox-web](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/models/PlantAttachmentModel.php#L28-L31)
- [https://github.com/danielbrendel/hortusfox-web/blob/v6.3/app/resources/js/app.js#L466](https://github.com/danielbrendel/hortusfox-web/blob/v6.3/app/resources/js/app.js#L466)
- [https://github.com/danielbrendel/hortusfox-web/security/advisories/GHSA-8phf-v3xj-8jjg](https://github.com/danielbrendel/hortusfox-web/security/advisories/GHSA-8phf-v3xj-8jjg)
- [https://hackmd.io/@leediay/stored-xss-hortusfox-via-plant-attachment](https://hackmd.io/@leediay/stored-xss-hortusfox-via-plant-attachment)
- [https://www.vulncheck.com/advisories/hortusfox-through-6.3-unrestricted-file-upload-via-plant-attachments](https://www.vulncheck.com/advisories/hortusfox-through-6.3-unrestricted-file-upload-via-plant-attachments)

[← All CVEs](https://panop.io/threat-heartbeat/)

## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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