CVE-2024-56042
📋 TL;DR
This is an unauthenticated SQL injection vulnerability in the WPLMS WordPress plugin that allows attackers to execute arbitrary SQL commands without authentication. It affects all WordPress sites running vulnerable versions of WPLMS, potentially compromising database integrity and confidentiality.
💻 Affected Systems
- WPLMS WordPress Plugin
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise including data theft, data manipulation, privilege escalation, and potential remote code execution via database functions.
Likely Case
Data exfiltration of sensitive information (user credentials, personal data), database manipulation, and potential site takeover.
If Mitigated
Limited impact with proper input validation, parameterized queries, and database user privilege restrictions.
🎯 Exploit Status
SQL injection vulnerabilities are commonly weaponized, and this one requires no authentication.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.9.9.5.3
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find WPLMS plugin. 4. Click 'Update Now' if update available. 5. If no update appears, manually download version 1.9.9.5.3+ from WordPress.org and replace plugin files.
🔧 Temporary Workarounds
Temporary Plugin Deactivation
allDisable WPLMS plugin until patched to prevent exploitation.
wp plugin deactivate wplms
Web Application Firewall Rules
allImplement WAF rules to block SQL injection patterns targeting WPLMS endpoints.
🧯 If You Can't Patch
- Implement network segmentation to isolate affected WordPress instances
- Enable database activity monitoring and alerting for suspicious SQL queries
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Installed Plugins for WPLMS version. If version is below 1.9.9.5.3, system is vulnerable.Check Version:
wp plugin get wplms --field=versionVerify Fix Applied:
Confirm WPLMS plugin version is 1.9.9.5.3 or higher in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unusual SQL queries in database logs
- Multiple failed login attempts from single IP
- Unexpected database errors in WordPress logs
Network Indicators:
- HTTP requests with SQL injection payloads to WPLMS endpoints
- Unusual outbound database connections
SIEM Query:
source="web_server" AND (uri="*wplms*" AND (query="*UNION*" OR query="*SELECT*" OR query="*INSERT*" OR query="*DELETE*"))