CVE-2025-14086
📋 TL;DR
This vulnerability in youlaitech youlai-mall allows attackers to bypass access controls by manipulating the openid parameter in the /app-api/v1/members/openid/ endpoint. Attackers can exploit this remotely to gain unauthorized access to user data or system functions. All users running youlai-mall versions 1.0.0 or 2.0.0 are affected.
💻 Affected Systems
- youlaitech youlai-mall
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise allowing unauthorized access to all user accounts, data theft, and potential privilege escalation to administrative functions.
Likely Case
Unauthorized access to user data, account takeover, and potential manipulation of user information through the vulnerable endpoint.
If Mitigated
No impact if proper authentication and authorization controls are implemented and the vulnerable endpoint is properly secured.
🎯 Exploit Status
Exploit details are publicly available and the vulnerability can be exploited remotely without authentication.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: None available
Restart Required: No
Instructions:
No official patch available. Vendor did not respond to disclosure. Consider workarounds or alternative solutions.
🔧 Temporary Workarounds
Block Vulnerable Endpoint
allTemporarily block access to the vulnerable /app-api/v1/members/openid/ endpoint using web server or firewall rules.
# Apache: RewriteRule ^/app-api/v1/members/openid/ - [F]
# Nginx: location ~ ^/app-api/v1/members/openid/ { return 403; }
# Firewall: iptables -A INPUT -p tcp --dport 80 -m string --string "/app-api/v1/members/openid/" --algo bm -j DROP
Implement Input Validation
allAdd strict input validation and sanitization for the openid parameter to prevent manipulation.
# In application code, validate openid parameter format and length
# Example: if (!isValidOpenIDFormat($openid)) { return error_response(); }
🧯 If You Can't Patch
- Implement network segmentation to isolate the vulnerable system from critical assets
- Deploy a web application firewall (WAF) with rules to detect and block exploitation attempts
🔍 How to Verify
Check if Vulnerable:
Test if you can access /app-api/v1/members/openid/ endpoint with manipulated openid parameters and bypass expected access controls.
Check Version:
Check application configuration files or documentation for version information
Verify Fix Applied:
Verify that the endpoint now properly validates and authorizes requests, rejecting unauthorized openid manipulations.
📡 Detection & Monitoring
Log Indicators:
- Unusual access patterns to /app-api/v1/members/openid/ endpoint
- Multiple failed authentication attempts followed by successful access
- Requests with manipulated openid parameters
Network Indicators:
- Unusual traffic spikes to the vulnerable endpoint
- Requests with abnormal openid parameter values or formats
SIEM Query:
source="web_logs" AND uri="/app-api/v1/members/openid/" AND (openid="*" OR status=200) | stats count by src_ip