CVE-2026-72559: CWE-79: Cross-site Scripting in Daniel Brendel HortusFox
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.
AI Analysis
Technical Summary
This vulnerability in Daniel Brendel's HortusFox product involves stored cross-site scripting (CWE-79) due to unsafe rendering of plant notes by Parsedown without safe mode enabled. Authenticated users can inject persistent JavaScript code into notes, which executes in the browsers of any users viewing those notes. This can lead to session cookie theft or unauthorized actions performed in the context of other users. The CVSS 3.1 vector indicates network attack vector, low attack complexity, requiring privileges and user interaction, with partial impact on confidentiality and integrity but no impact on availability. There is no vendor advisory or patch information available, and no known exploits in the wild have been reported.
Potential Impact
An attacker with authenticated access can inject malicious JavaScript that executes in other users' browsers when they view affected plant notes. This can result in theft of session cookies or unauthorized actions performed with the privileges of other users, including administrators. The vulnerability impacts confidentiality and integrity but does not affect availability.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict authenticated user permissions to trusted individuals only and consider disabling or limiting note rendering features that use Parsedown without safe mode. Monitor for updates from the vendor for an official fix.
CVE-2026-72559: CWE-79: Cross-site Scripting in Daniel Brendel HortusFox
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.
CVSS v3.1
Score 5.4medium
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Daniel Brendel's HortusFox product involves stored cross-site scripting (CWE-79) due to unsafe rendering of plant notes by Parsedown without safe mode enabled. Authenticated users can inject persistent JavaScript code into notes, which executes in the browsers of any users viewing those notes. This can lead to session cookie theft or unauthorized actions performed in the context of other users. The CVSS 3.1 vector indicates network attack vector, low attack complexity, requiring privileges and user interaction, with partial impact on confidentiality and integrity but no impact on availability. There is no vendor advisory or patch information available, and no known exploits in the wild have been reported.
Potential Impact
An attacker with authenticated access can inject malicious JavaScript that executes in other users' browsers when they view affected plant notes. This can result in theft of session cookies or unauthorized actions performed with the privileges of other users, including administrators. The vulnerability impacts confidentiality and integrity but does not affect availability.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict authenticated user permissions to trusted individuals only and consider disabling or limiting note rendering features that use Parsedown without safe mode. Monitor for updates from the vendor for an official fix.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- TuranSec
- Date Reserved
- 2026-08-10T10:32:49.081Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a7b0703bf8831d539a0cc41
Added to database: 08/11/2026, 11:26:59 UTC
Last enriched: 08/11/2026, 11:42:26 UTC
Last updated: 08/11/2026, 14:04:05 UTC
Views: 4
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