CVE-2024-9630
📋 TL;DR
The WPS Telegram Chat WordPress plugin has an authorization bypass vulnerability that allows unauthenticated attackers to view messages sent through the Telegram Bot API. This affects all WordPress sites using the plugin version 4.5.4 or earlier. The vulnerability occurs due to missing capability checks in the message handling function.
💻 Affected Systems
- WPS Telegram Chat WordPress Plugin
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Attackers could access sensitive Telegram messages containing confidential information, credentials, or private communications, potentially leading to data breaches or further attacks.
Likely Case
Unauthenticated users viewing Telegram chat messages that should be restricted, potentially exposing private conversations or operational details.
If Mitigated
With proper access controls and network segmentation, impact is limited to unauthorized viewing of Telegram messages without further system compromise.
🎯 Exploit Status
The vulnerability is simple to exploit as it requires no authentication and involves direct API endpoint access.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 4.5.5 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find WPS Telegram Chat and click 'Update Now'. 4. Verify plugin version is 4.5.5 or higher.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the vulnerable plugin until patched
wp plugin deactivate wps-telegram-chat
Restrict Access via .htaccess
linuxBlock access to the vulnerable endpoint using web server rules
RewriteEngine On
RewriteRule ^wp-content/plugins/wps-telegram-chat/public/partials/wps-telegram-chat-public-handler\.php$ - [F,L]
🧯 If You Can't Patch
- Disable the WPS Telegram Chat plugin immediately
- Implement network-level restrictions to block access to the vulnerable endpoint
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel → Plugins → Installed Plugins for WPS Telegram Chat version 4.5.4 or earlierCheck Version:
wp plugin get wps-telegram-chat --field=versionVerify Fix Applied:
Verify plugin version is 4.5.5 or higher in WordPress admin panel📡 Detection & Monitoring
Log Indicators:
- Unusual access patterns to /wp-content/plugins/wps-telegram-chat/public/partials/wps-telegram-chat-public-handler.php
- Unauthenticated requests to Telegram API endpoints
Network Indicators:
- HTTP GET requests to wps-telegram-chat-public-handler.php without authentication headers
- Unusual traffic to Telegram Bot API from web server
SIEM Query:
source="web_server_logs" AND uri="/wp-content/plugins/wps-telegram-chat/public/partials/wps-telegram-chat-public-handler.php" AND status=200 AND NOT auth_token=*