CVE-2025-66423
📋 TL;DR
This vulnerability allows unauthorized access to the HTML editor route in Tryton trytond due to missing access rights enforcement. Attackers could potentially modify or inject malicious content through the editor interface. All Tryton trytond installations running affected versions are impacted.
💻 Affected Systems
- Tryton trytond
📦 What is this software?
Trytond by Tryton
Trytond by Tryton
Trytond by Tryton
Trytond by Tryton
⚠️ Risk & Real-World Impact
Worst Case
Unauthenticated attackers could inject malicious scripts or content through the HTML editor, potentially leading to cross-site scripting (XSS), data manipulation, or privilege escalation.
Likely Case
Authenticated users with limited permissions could access HTML editor functionality they shouldn't have access to, potentially modifying content beyond their authorization level.
If Mitigated
With proper network segmentation and access controls, the impact is limited to authorized users within the application boundary.
🎯 Exploit Status
Exploitation requires understanding of Tryton's HTML editor routes and access patterns.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 7.6.11, 7.4.21, 7.0.40, or 6.0.70
Vendor Advisory: https://discuss.tryton.org/t/security-release-for-issue-14364/8952
Restart Required: Yes
Instructions:
1. Backup your Tryton database and configuration. 2. Upgrade trytond to version 7.6.11, 7.4.21, 7.0.40, or 6.0.70 using your package manager. 3. Restart the trytond service. 4. Verify the upgrade was successful.
🔧 Temporary Workarounds
Disable HTML Editor Route
allTemporarily disable access to the vulnerable HTML editor route via web server configuration or application firewall.
# Example for nginx: location ~ ^/html_editor_route { deny all; }
# Example for Apache: <Location "/html_editor_route"> Require all denied </Location>
🧯 If You Can't Patch
- Implement strict network access controls to limit who can reach the Tryton application
- Deploy a web application firewall (WAF) with rules to block unauthorized access to HTML editor routes
🔍 How to Verify
Check if Vulnerable:
Check trytond version: trytond --version. If version is earlier than 7.6.11, 7.4.21, 7.0.40, or 6.0.70, you are vulnerable.Check Version:
trytond --versionVerify Fix Applied:
After patching, verify version shows 7.6.11, 7.4.21, 7.0.40, or 6.0.70 or later. Test HTML editor access with limited privilege accounts.📡 Detection & Monitoring
Log Indicators:
- Unauthorized access attempts to HTML editor routes
- Unusual activity from users accessing HTML editor functionality
Network Indicators:
- HTTP requests to HTML editor routes from unauthorized IPs or users
SIEM Query:
source="trytond" AND (uri_path="/html_editor_route" OR uri_path LIKE "%/html_editor%") AND user_role!="admin"