CVE-2026-72559
Medium
Description
A stored cross-site scripting vulnerability in HortusFox 5.9 allows authenticated workspace members to inject persistent JavaScript into plant notes via Parsedown rendered without safe mode. Notes are rendered unescaped in the browser of every user who views the affected plant. An attacker can use this to steal session cookies or perform actions in the context of other users including administrators.
SeverityMedium
CVSS5.4
Exploit probability—
ProductHortusFox
PublishedAug 11, 2026
First seenAug 11, 2026
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Daniel Brendel HortusFox | v ≤ 5.9 | — |
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