CVE-2024-11109
📋 TL;DR
This vulnerability in the WP Google Review Slider WordPress plugin allows administrators to inject malicious scripts into plugin settings, which then execute when other users view those settings. It affects WordPress sites using the plugin before version 15.6, particularly in multisite configurations where unfiltered_html is restricted.
💻 Affected Systems
- WP Google Review Slider WordPress Plugin
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
An attacker with admin privileges could inject malicious JavaScript that steals session cookies, redirects users to malicious sites, or performs actions on behalf of authenticated users when they view the affected plugin settings.
Likely Case
Malicious admin injects tracking scripts or defaces parts of the site visible to other users through the plugin interface.
If Mitigated
Limited to admin users only, with minimal impact if proper user access controls and content security policies are implemented.
🎯 Exploit Status
Exploitation requires admin privileges. The vulnerability is in plugin settings that don't properly sanitize input.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 15.6
Vendor Advisory: https://wpscan.com/vulnerability/93619da1-a8d6-43b6-b1be-8d50ab6f29f7/
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'WP Google Review Slider' and click 'Update Now'. 4. Verify version shows 15.6 or higher after update.
🔧 Temporary Workarounds
Temporary Plugin Deactivation
allDeactivate the plugin until it can be updated to a secure version.
wp plugin deactivate wp-google-review-slider
Restrict Admin Access
allTemporarily restrict or audit admin user accounts to prevent exploitation.
🧯 If You Can't Patch
- Implement strict Content Security Policy (CSP) headers to mitigate XSS impact
- Regularly audit admin user activities and review plugin settings for suspicious content
🔍 How to Verify
Check if Vulnerable:
Check plugin version in WordPress admin under Plugins → Installed Plugins. If version is below 15.6, you are vulnerable.Check Version:
wp plugin get wp-google-review-slider --field=versionVerify Fix Applied:
After updating, verify the plugin version shows 15.6 or higher in the WordPress admin plugins list.📡 Detection & Monitoring
Log Indicators:
- Unusual modifications to plugin settings by admin users
- JavaScript payloads in plugin configuration data
Network Indicators:
- Unexpected external script loads from plugin pages
- Suspicious outbound connections from admin sessions
SIEM Query:
source="wordpress" AND (event="plugin_settings_modified" OR event="admin_activity") AND plugin="wp-google-review-slider"