CVE-2026-108101

HIGH 7.5

HortusFox through 6.3 Unrestricted File Upload via Plant Attachments

CVSS Score

7.5

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-434
Vendor	danielbrendel
Product	hortusfox-web
Published	Oct 9, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

danielbrendel / hortusfox-web

0 ≤ 6.3

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/danielbrendel/hortusfox-web github.com: https://github.com/danielbrendel/hortusfox-web/security/advisories/GHSA-8phf-v3xj-8jjg hackmd.io: https://hackmd.io/@leediay/stored-xss-hortusfox-via-plant-attachment github.com: https://github.com/danielbrendel/hortusfox-web/blob/v6.3/app/models/PlantAttachmentModel.php#L28-L31 github.com: https://github.com/danielbrendel/hortusfox-web/blob/v6.3/app/resources/js/app.js#L466 vulncheck.com: https://www.vulncheck.com/advisories/hortusfox-through-6.3-unrestricted-file-upload-via-plant-attachments

Credits

leediay153 from Viettel Post hackchang