CVE-2023-0259
📋 TL;DR
This SQL injection vulnerability in the WP Google Review Slider WordPress plugin allows attackers with subscriber-level access to execute arbitrary SQL commands on the database. It affects WordPress sites using plugin versions before 11.8, potentially compromising site data and integrity.
💻 Affected Systems
- WP Google Review Slider WordPress Plugin
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise leading to data theft, privilege escalation to administrator, site defacement, or installation of backdoors.
Likely Case
Data exfiltration of sensitive information (user credentials, personal data), privilege escalation to gain administrative control.
If Mitigated
Limited impact if proper input validation and parameterized queries are implemented, restricting SQL command execution.
🎯 Exploit Status
Exploitation requires authenticated access (subscriber role or higher). SQL injection techniques are well-documented and easily weaponized.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 11.8
Vendor Advisory: https://wpscan.com/vulnerability/d3bb0eac-1f4e-4191-8f3b-104a5bb54558
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'WP Google Review Slider'. 4. Click 'Update Now' if available, or manually update to version 11.8+. 5. Verify plugin version after update.
🔧 Temporary Workarounds
Disable vulnerable plugin
allTemporarily deactivate the WP Google Review Slider plugin until patched
wp plugin deactivate wp-google-review-slider
Restrict user registration
allDisable new user registration to prevent attackers from obtaining subscriber accounts
Update WordPress Settings > General: Membership = 'Anyone can register' to unchecked
🧯 If You Can't Patch
- Implement web application firewall (WAF) rules to block SQL injection patterns
- Apply principle of least privilege: review and remove unnecessary subscriber accounts
🔍 How to Verify
Check if Vulnerable:
Check plugin version in WordPress admin: Plugins > Installed Plugins, look for WP Google Review Slider versionCheck Version:
wp plugin list --name='wp-google-review-slider' --field=versionVerify Fix Applied:
Confirm plugin version is 11.8 or higher in WordPress admin plugins list📡 Detection & Monitoring
Log Indicators:
- Unusual SQL queries in database logs
- Multiple failed login attempts followed by successful subscriber login
- Unexpected database schema changes
Network Indicators:
- HTTP POST requests containing SQL syntax to plugin endpoints
- Unusual database connection patterns from web server
SIEM Query:
source="web_server" AND (uri_path="/wp-admin/admin-ajax.php" OR uri_path CONTAINS "wp-google-review-slider") AND (request_body CONTAINS "UNION" OR request_body CONTAINS "SELECT *" OR request_body CONTAINS "information_schema")