CVE-2024-9627
📋 TL;DR
The TeploBot WordPress plugin has an authorization bypass vulnerability that allows unauthenticated attackers to retrieve the Telegram Bot Token. This token provides full control over the Telegram bot associated with the WordPress site. All WordPress sites using TeploBot version 1.3 or earlier are affected.
💻 Affected Systems
- TeploBot - Telegram Bot for WP
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Attackers gain full control of the Telegram bot, enabling them to send malicious messages to subscribers, steal sensitive data, or use the bot for phishing campaigns.
Likely Case
Attackers steal the bot token and take over the Telegram bot functionality, potentially sending spam or malicious content to subscribers.
If Mitigated
With proper network segmentation and monitoring, unauthorized access attempts can be detected and blocked before token theft occurs.
🎯 Exploit Status
Exploitation requires only a simple HTTP request to the vulnerable endpoint without authentication.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.4 or later
Vendor Advisory: https://plugins.trac.wordpress.org/browser/green-wp-telegram-bot-by-teplitsa/trunk/inc/core.php?rev=1754863#L266
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins. 3. Find TeploBot plugin. 4. Click 'Update Now' if available. 5. If no update available, deactivate and delete the plugin.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the TeploBot plugin until patched
wp plugin deactivate green-wp-telegram-bot-by-teplitsa
Block Vulnerable Endpoint
allAdd web application firewall rule to block access to the vulnerable service_process endpoint
# Add WAF rule: Deny access to */wp-content/plugins/green-wp-telegram-bot-by-teplitsa/inc/core.php with service_process parameter
🧯 If You Can't Patch
- Deactivate and remove the TeploBot plugin immediately
- Implement strict network access controls to limit who can access the WordPress admin interface
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel for TeploBot plugin version 1.3 or earlierCheck Version:
wp plugin get green-wp-telegram-bot-by-teplitsa --field=versionVerify Fix Applied:
Verify plugin version is 1.4 or later, or confirm plugin is deactivated/removed📡 Detection & Monitoring
Log Indicators:
- Unauthenticated requests to /wp-content/plugins/green-wp-telegram-bot-by-teplitsa/inc/core.php with service_process parameter
- Multiple failed authentication attempts followed by successful bot token retrieval
Network Indicators:
- Unusual outbound traffic to Telegram API from WordPress server
- HTTP requests to vulnerable endpoint from unexpected IP addresses
SIEM Query:
source="wordpress.log" AND (uri_path="/wp-content/plugins/green-wp-telegram-bot-by-teplitsa/inc/core.php" AND query_string="*service_process*")