CVE-2025-56426
📋 TL;DR
A remote code execution vulnerability in WebKul Bagisto v2.3.6 allows attackers to execute arbitrary code via the Cart/Checkout API endpoint. The price calculation logic fails to properly validate quantity inputs, enabling command injection. All Bagisto installations using the vulnerable version are affected.
💻 Affected Systems
- WebKul Bagisto
📦 What is this software?
Bagisto by Webkul
⚠️ Risk & Real-World Impact
Worst Case
Full system compromise allowing attackers to execute arbitrary commands, steal data, install malware, or pivot to other systems.
Likely Case
Price manipulation leading to financial loss, followed by data exfiltration or website defacement.
If Mitigated
Limited impact with proper input validation and API security controls in place.
🎯 Exploit Status
Exploitation requires understanding of Bagisto's API structure and price calculation logic.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: v2.3.7 or later
Vendor Advisory: https://medium.com/@rudranshsinghrajpurohit/cve-2025-56426-cart-price-manipulation-vulnerability-in-bagisto-cms-468b72311969
Restart Required: No
Instructions:
1. Backup your Bagisto installation. 2. Update to Bagisto v2.3.7 or later via composer update. 3. Clear cache and verify functionality.
🔧 Temporary Workarounds
Input Validation Middleware
allAdd custom middleware to validate quantity inputs before processing cart/checkout requests.
php artisan make:middleware ValidateCartInput
🧯 If You Can't Patch
- Disable Cart/Checkout API endpoint if not essential
- Implement WAF rules to block suspicious quantity parameter patterns
🔍 How to Verify
Check if Vulnerable:
Check if running Bagisto v2.3.6 by examining composer.json or admin panel version.
Check Version:
grep '"bagisto/bagisto"' composer.json
Verify Fix Applied:
Verify version is v2.3.7 or later and test cart functionality with various quantity inputs.
📡 Detection & Monitoring
Log Indicators:
- Unusual quantity values in cart API logs
- Multiple failed cart price calculations
Network Indicators:
- Suspicious POST requests to /api/cart or /api/checkout with abnormal quantity parameters
SIEM Query:
source="web_logs" AND (uri_path="/api/cart" OR uri_path="/api/checkout") AND quantity=*