CVE-2023-39646
📋 TL;DR
This vulnerability allows unauthenticated attackers to execute arbitrary SQL commands on PrestaShop installations using the Theme Volty CMS Category Chain Slider module. Attackers can potentially read, modify, or delete database content, including sensitive customer data. All PrestaShop sites using the vulnerable module version are affected.
💻 Affected Systems
- Theme Volty CMS Category Chain Slider module for PrestaShop
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise leading to data theft, data destruction, or full system takeover via SQL injection to remote code execution chaining.
Likely Case
Database information disclosure including customer PII, order data, and administrative credentials, potentially leading to site defacement or further attacks.
If Mitigated
Limited impact with proper database permissions, query sanitization, and network segmentation preventing lateral movement.
🎯 Exploit Status
SQL injection vulnerabilities are commonly weaponized; public details available in advisory.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version 4.0.2 or later
Vendor Advisory: https://security.friendsofpresta.org/modules/2023/09/26/tvcmscategorychainslider.html
Restart Required: No
Instructions:
1. Log into PrestaShop admin panel. 2. Navigate to Modules > Module Manager. 3. Search for 'Theme Volty CMS Category Chain Slider'. 4. Update to version 4.0.2 or later. 5. Clear PrestaShop cache.
🔧 Temporary Workarounds
Disable vulnerable module
allTemporarily disable the module until patching is possible
UPDATE ps_module SET active = 0 WHERE name = 'tvcmscategorychainslider';
Apply WAF rules
allImplement web application firewall rules to block SQL injection patterns
🧯 If You Can't Patch
- Implement strict network segmentation to isolate the PrestaShop instance
- Enable detailed SQL query logging and monitor for injection patterns
🔍 How to Verify
Check if Vulnerable:
Check module version in PrestaShop admin panel under Modules > Module Manager > Theme Volty CMS Category Chain Slider
Check Version:
SELECT version FROM ps_module WHERE name = 'tvcmscategorychainslider';
Verify Fix Applied:
Confirm module version is 4.0.2 or higher in admin panel
📡 Detection & Monitoring
Log Indicators:
- Unusual SQL error messages in web server logs
- Multiple failed SQL queries from single IP
- Requests with SQL keywords in parameters
Network Indicators:
- HTTP requests containing SQL syntax in GET/POST parameters
- Unusual database connection patterns
SIEM Query:
source="web_logs" AND ("sql" OR "union" OR "select" OR "insert" OR "update" OR "delete") AND uri_path="*tvcmscategorychainslider*"