CVE-2025-9835
📋 TL;DR
This vulnerability allows attackers to bypass authorization checks in the cancelOrder function of macrozheng mall. By manipulating the orderId parameter, unauthorized users can cancel orders they shouldn't have access to. This affects all deployments of macrozheng mall up to version 1.0.3.
💻 Affected Systems
- macrozheng mall
📦 What is this software?
Mall by Macrozheng
⚠️ Risk & Real-World Impact
Worst Case
Attackers could cancel arbitrary orders, potentially disrupting business operations, causing financial loss, or enabling fraud through order manipulation.
Likely Case
Unauthorized users canceling orders they shouldn't have access to, leading to customer service issues and potential data exposure of order information.
If Mitigated
Minimal impact with proper authorization checks and input validation in place.
🎯 Exploit Status
Exploit details are publicly disclosed on GitHub, making exploitation straightforward for attackers with basic knowledge.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.0.4 or later
Vendor Advisory: https://github.com/macrozheng/mall
Restart Required: Yes
Instructions:
1. Update macrozheng mall to version 1.0.4 or later. 2. Restart the application server. 3. Verify the fix by testing authorization controls.
🔧 Temporary Workarounds
Input Validation and Authorization Check
allAdd server-side validation to ensure users can only cancel their own orders
Implement proper authorization checks in cancelOrder function
Validate orderId parameter against user session
WAF Rule
allBlock suspicious order cancellation requests
Configure WAF to monitor and block unusual order cancellation patterns
🧯 If You Can't Patch
- Implement network segmentation to restrict access to the vulnerable endpoint
- Add additional authentication layer or rate limiting for order operations
🔍 How to Verify
Check if Vulnerable:
Test if unauthorized users can cancel orders by manipulating orderId parameter in /order/cancelUserOrder endpoint
Check Version:
Check application version in pom.xml or application.properties for macrozheng mall version
Verify Fix Applied:
Verify that proper authorization checks prevent unauthorized order cancellations
📡 Detection & Monitoring
Log Indicators:
- Multiple failed authorization attempts on /order/cancelUserOrder
- Order cancellations from unusual IP addresses or user accounts
Network Indicators:
- Unusual patterns of POST requests to /order/cancelUserOrder
- Order cancellation requests with manipulated orderId parameters
SIEM Query:
source="application_logs" AND endpoint="/order/cancelUserOrder" AND (status="403" OR user_id!=order_owner_id)