CVE-2023-39650
📋 TL;DR
Theme Volty CMS Blog versions up to v4.0.1 contain a SQL injection vulnerability in the id parameter at the /tvcmsblog/single endpoint. This allows attackers to execute arbitrary SQL commands on the database. Any website using vulnerable versions of this CMS plugin is affected.
💻 Affected Systems
- Theme Volty CMS Blog
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise leading to data theft, privilege escalation, remote code execution, or complete system takeover.
Likely Case
Database information disclosure, data manipulation, or authentication bypass.
If Mitigated
Limited impact with proper input validation and database permissions in place.
🎯 Exploit Status
SQL injection via URL parameter requires minimal technical skill to exploit.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: v4.0.2 or later
Vendor Advisory: https://themevolty.com/
Restart Required: No
Instructions:
1. Log into PrestaShop admin panel. 2. Navigate to Modules > Module Manager. 3. Find Theme Volty CMS Blog. 4. Update to v4.0.2 or later. 5. Clear cache if applicable.
🔧 Temporary Workarounds
Input Validation Filter
allAdd server-side validation to sanitize the id parameter before processing.
Modify /modules/tvcmsblog/controllers/front/single.php to validate id parameter as integer
WAF Rule
allImplement web application firewall rules to block SQL injection patterns in the id parameter.
Add WAF rule: Detect SQL injection patterns in /tvcmsblog/single?id=*
🧯 If You Can't Patch
- Disable the Theme Volty CMS Blog module entirely if not essential.
- Restrict access to /tvcmsblog/single endpoint using IP whitelisting or authentication.
🔍 How to Verify
Check if Vulnerable:
Check if /modules/tvcmsblog/ exists and version is ≤4.0.1 in module configuration.Check Version:
Check PrestaShop admin panel: Modules > Module Manager > Theme Volty CMS Blog > VersionVerify Fix Applied:
Confirm module version is ≥4.0.2 and test /tvcmsblog/single endpoint with SQL injection payloads.📡 Detection & Monitoring
Log Indicators:
- Unusual SQL errors in web server logs
- Multiple requests to /tvcmsblog/single with suspicious id parameters
Network Indicators:
- HTTP requests containing SQL keywords in id parameter at /tvcmsblog/single
SIEM Query:
source="web_logs" AND uri_path="/tvcmsblog/single" AND (id="*OR*" OR id="*UNION*" OR id="*SELECT*")