CVE-2025-5149
📋 TL;DR
This CVE describes an improper authentication vulnerability in WCMS that allows attackers to bypass authentication mechanisms by manipulating the uid parameter in the getMemberByUid function. The vulnerability affects WCMS versions up to 8.3.11 and can be exploited remotely, potentially granting unauthorized access to administrative functions.
💻 Affected Systems
- WCMS
📦 What is this software?
Wcms by Wcms
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise through administrative access leading to data theft, defacement, or further privilege escalation.
Likely Case
Unauthorized access to administrative functions, potentially allowing content manipulation or user data exposure.
If Mitigated
Limited impact with proper network segmentation and authentication controls in place.
🎯 Exploit Status
Exploit has been publicly disclosed but exploitation appears difficult according to vulnerability description
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: None available
Restart Required: No
Instructions:
No official patch available. Consider upgrading to version 8.3.12 or later if released by vendor.
🔧 Temporary Workarounds
Block vulnerable endpoint
allRestrict access to the vulnerable /index.php?articleadmin/getallcon endpoint
# Example for Apache: RewriteRule ^index\.php\?articleadmin\/getallcon - [F,L]
# Example for Nginx: location ~* /index\.php\?articleadmin\/getallcon { deny all; }
Implement WAF rules
allAdd web application firewall rules to detect and block uid parameter manipulation
# ModSecurity rule example: SecRule ARGS:uid "@rx malicious_pattern" "id:1001,phase:2,deny"
🧯 If You Can't Patch
- Implement strict network access controls to limit exposure of WCMS instances
- Enable detailed authentication logging and monitor for suspicious uid parameter usage
🔍 How to Verify
Check if Vulnerable:
Check WCMS version in admin panel or configuration files. If version is 8.3.11 or earlier, system is vulnerable.Check Version:
# Check version in WCMS admin panel or look for version information in configuration filesVerify Fix Applied:
Verify version is upgraded beyond 8.3.11 or test the vulnerable endpoint with proper security testing tools.📡 Detection & Monitoring
Log Indicators:
- Unusual uid parameter values in access logs
- Multiple failed authentication attempts followed by successful access
- Access to /index.php?articleadmin/getallcon with manipulated parameters
Network Indicators:
- Unusual traffic patterns to the vulnerable endpoint
- Requests with abnormal uid parameter values
SIEM Query:
source="web_access_logs" AND uri="*index.php?articleadmin/getallcon*" AND (param.uid!="" OR param.uid!="normal_value")