CVE-2023-39647
📋 TL;DR
This SQL injection vulnerability in the Theme Volty CMS Category Product module for PrestaShop allows unauthenticated attackers to execute arbitrary SQL commands. It affects PrestaShop installations using the vulnerable module, potentially exposing database contents including customer data, admin credentials, and other sensitive information.
💻 Affected Systems
- Theme Volty CMS Category Product module for PrestaShop
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise leading to data theft, privilege escalation, remote code execution via database functions, and full system takeover.
Likely Case
Data exfiltration of customer information, order details, and potentially admin credentials leading to unauthorized access.
If Mitigated
Limited information disclosure if database permissions are properly restricted and input validation is enforced elsewhere.
🎯 Exploit Status
SQL injection vulnerabilities are commonly exploited and this one requires no authentication.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version 4.0.2 or later
Vendor Advisory: https://security.friendsofpresta.org/modules/2023/09/26/tvcmscategoryproduct.html
Restart Required: No
Instructions:
1. Log into PrestaShop admin panel. 2. Navigate to Modules > Module Manager. 3. Find 'Theme Volty CMS Category Product' module. 4. Update to version 4.0.2 or later. 5. Clear PrestaShop cache.
🔧 Temporary Workarounds
Disable vulnerable module
allTemporarily disable the tvcmscategoryproduct module until patched
UPDATE ps_module SET active = 0 WHERE name = 'tvcmscategoryproduct';
Web Application Firewall rule
allBlock SQL injection patterns targeting the vulnerable endpoint
ModSecurity rule: SecRule ARGS "@detectSQLi" "id:1001,phase:2,deny,status:403"
🧯 If You Can't Patch
- Implement strict input validation and parameterized queries at application level
- Restrict database user permissions to minimum required privileges
🔍 How to Verify
Check if Vulnerable:
Check module version in PrestaShop admin panel under Modules > Module Manager for 'Theme Volty CMS Category Product'Check Version:
SELECT version FROM ps_module WHERE name = 'tvcmscategoryproduct';Verify Fix Applied:
Confirm module version is 4.0.2 or higher and test SQL injection attempts are blocked📡 Detection & Monitoring
Log Indicators:
- Unusual SQL queries in database logs
- Multiple failed login attempts from single IP
- Unexpected database errors in application logs
Network Indicators:
- HTTP requests with SQL keywords (SELECT, UNION, etc.) to module endpoints
- Unusual traffic patterns to /modules/tvcmscategoryproduct/
SIEM Query:
source="web_logs" AND (uri="*tvcmscategoryproduct*" AND (query="*SELECT*" OR query="*UNION*" OR query="*OR 1=1*"))