CVE-2024-13476

7.5 HIGH

📋 TL;DR

This SQL injection vulnerability in the LTL Freight Quotes WordPress plugin allows unauthenticated attackers to execute arbitrary SQL queries through the 'engtz_wd_save_dropship' AJAX endpoint. Attackers can extract sensitive database information including user credentials, payment details, and other confidential data. All WordPress sites using this plugin version 2.3.11 or earlier are affected.

💻 Affected Systems

Products:
  • LTL Freight Quotes – GlobalTranz Edition WordPress Plugin
Versions: All versions up to and including 2.3.11
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: All WordPress installations with vulnerable plugin versions are affected regardless of configuration.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete database compromise leading to data theft, privilege escalation, and potential site takeover through credential extraction.

🟠

Likely Case

Extraction of sensitive user data, plugin configuration details, and potentially WordPress user credentials.

🟢

If Mitigated

Limited information disclosure if database permissions are properly restricted and sensitive data is encrypted.

🌐 Internet-Facing: HIGH - Unauthenticated exploitation via public AJAX endpoints makes this easily accessible to attackers.
🏢 Internal Only: LOW - The vulnerability requires web-accessible endpoints, making internal-only deployments less vulnerable.

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

SQL injection via AJAX endpoint requires minimal technical skill to exploit.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Version 2.3.12 or later

Vendor Advisory: https://plugins.trac.wordpress.org/changeset/3242457/

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'LTL Freight Quotes – GlobalTranz Edition'. 4. Click 'Update Now' if available, or manually update to version 2.3.12+. 5. Verify plugin is active and functioning.

🔧 Temporary Workarounds

Disable vulnerable AJAX endpoint

WordPress

Remove or restrict access to the vulnerable 'engtz_wd_save_dropship' AJAX endpoint

Add to theme's functions.php: remove_action('wp_ajax_engtz_wd_save_dropship', 'callback_function'); remove_action('wp_ajax_nopriv_engtz_wd_save_dropship', 'callback_function');

🧯 If You Can't Patch

  • Disable or remove the LTL Freight Quotes plugin entirely
  • Implement web application firewall (WAF) rules to block SQL injection patterns targeting the vulnerable endpoint

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin → Plugins → Installed Plugins for LTL Freight Quotes version. If version is 2.3.11 or earlier, you are vulnerable.

Check Version:

wp plugin list --name='LTL Freight Quotes' --field=version (WP-CLI) or check WordPress admin interface

Verify Fix Applied:

Verify plugin version shows 2.3.12 or later in WordPress admin panel.

📡 Detection & Monitoring

Log Indicators:

  • Unusual POST requests to /wp-admin/admin-ajax.php with action=engtz_wd_save_dropship
  • SQL error messages in web server logs
  • Multiple rapid requests to AJAX endpoints

Network Indicators:

  • SQL injection patterns in HTTP POST parameters
  • Unusual database query patterns from web server

SIEM Query:

source="web_logs" AND uri="/wp-admin/admin-ajax.php" AND post_data="*engtz_wd_save_dropship*" AND (post_data="*UNION*" OR post_data="*SELECT*" OR post_data="*INSERT*" OR post_data="*DELETE*")

🔗 References

📤 Share & Export