CVE-2024-4664
📋 TL;DR
This vulnerability in the WP Chat App WordPress plugin allows authenticated administrators to inject malicious scripts into plugin settings, which execute when other users view those settings. It affects WordPress sites running vulnerable plugin versions, even when unfiltered_html capability is disabled. Only high-privilege users (administrators) can exploit this vulnerability.
💻 Affected Systems
- WP Chat App WordPress Plugin
📦 What is this software?
Wp Chat App by Ninjateam
⚠️ Risk & Real-World Impact
Worst Case
A compromised administrator account could inject persistent XSS payloads that steal session cookies, redirect users to malicious sites, or perform actions on behalf of other users when they view plugin settings.
Likely Case
Malicious or compromised administrator injects JavaScript that steals session cookies or performs limited client-side attacks against other administrators viewing plugin settings.
If Mitigated
With proper access controls and monitoring, impact is limited to administrators viewing plugin settings pages, with no privilege escalation beyond existing admin access.
🎯 Exploit Status
Exploitation requires administrator access. Attack involves injecting JavaScript into plugin settings fields that lack proper sanitization.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 3.6.5
Vendor Advisory: https://wpscan.com/vulnerability/46ada0b4-f3cd-44fb-a568-3345e639bdb6/
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'WP Chat App' plugin. 4. Click 'Update Now' if update available. 5. Alternatively, download version 3.6.5+ from WordPress repository and replace plugin files.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the WP Chat App plugin until patched
wp plugin deactivate wp-chat-app
Restrict Administrator Access
allImplement strict access controls and monitoring for administrator accounts
🧯 If You Can't Patch
- Remove administrator access from untrusted users and implement multi-factor authentication for all admin accounts
- Implement Content Security Policy (CSP) headers to mitigate XSS impact
🔍 How to Verify
Check if Vulnerable:
Check plugin version in WordPress admin → Plugins → Installed Plugins. If WP Chat App version is below 3.6.5, system is vulnerable.Check Version:
wp plugin get wp-chat-app --field=versionVerify Fix Applied:
Verify plugin version is 3.6.5 or higher in WordPress admin panel. Test plugin functionality to ensure it works correctly after update.📡 Detection & Monitoring
Log Indicators:
- Unusual administrator activity modifying plugin settings
- JavaScript payloads in plugin setting updates
Network Indicators:
- Unexpected external JavaScript loading from plugin settings pages
SIEM Query:
source="wordpress" AND (event="plugin_updated" OR event="option_updated") AND plugin="wp-chat-app" AND version<"3.6.5"