CVE-2026-108101

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.

CVSS 4.0

7.7CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS 3.1

7.5CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS

0.4% chance of exploitation in the next 30 days; higher than 33% of CVEs (scores of 2026-10-25)

CWE

CWE-434

Published

2026-10-09

Modified

2026-10-13

Record from

the NVD, synced 2026-10-19

References

• 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://github.com/danielbrendel/hortusfox-web/security/advisories/GHSA-8phf-v3xj-8jjg
• https://hackmd.io/@leediay/stored-xss-hortusfox-via-plant-attachment

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