CVE-2023-37966
📋 TL;DR
This SQL injection vulnerability in the WordPress User Activity Log plugin allows attackers to execute arbitrary SQL commands on the database. It affects all WordPress sites running the plugin version 1.6.2 or earlier. Successful exploitation could lead to data theft, modification, or complete database compromise.
💻 Affected Systems
- Solwin Infotech User Activity Log WordPress Plugin
📦 What is this software?
User Activity Log by Solwininfotech
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise including sensitive user data, administrative credentials, and potential privilege escalation to full system access.
Likely Case
Data exfiltration of user information, plugin settings, and potentially WordPress user credentials.
If Mitigated
Limited impact with proper input validation and database permissions, potentially only affecting non-sensitive data.
🎯 Exploit Status
SQL injection vulnerabilities in WordPress plugins are commonly exploited due to available tooling and high value targets.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.6.3 or later
Vendor Advisory: https://wordpress.org/plugins/user-activity-log/
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'User Activity Log' and click 'Update Now'. 4. Verify update to version 1.6.3 or higher.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily deactivate the vulnerable plugin until patched.
wp plugin deactivate user-activity-log
Web Application Firewall
allImplement WAF rules to block SQL injection patterns targeting this plugin.
🧯 If You Can't Patch
- Implement strict input validation and parameterized queries at application level
- Restrict database user permissions to minimum required for plugin functionality
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > User Activity Log version numberCheck Version:
wp plugin get user-activity-log --field=versionVerify Fix Applied:
Confirm plugin version is 1.6.3 or higher in WordPress admin📡 Detection & Monitoring
Log Indicators:
- Unusual database queries from web server
- Multiple failed login attempts followed by SQL errors
- Unexpected database schema changes
Network Indicators:
- HTTP requests with SQL syntax in parameters
- Unusual outbound database connections from web server
SIEM Query:
source="web_logs" AND ("SELECT" OR "UNION" OR "INSERT" OR "UPDATE" OR "DELETE") AND "user-activity-log"