CVE-2024-44062
📋 TL;DR
This vulnerability allows attackers to inject malicious scripts into WordPress sites using the Custom Field Template plugin. When executed, these scripts can steal user sessions, deface websites, or redirect visitors to malicious sites. All WordPress sites running Custom Field Template version 2.6.5 or earlier are affected.
💻 Affected Systems
- WordPress Custom Field Template plugin
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Attackers could steal administrator credentials, take full control of the WordPress site, install backdoors, or compromise all visitor data.
Likely Case
Attackers inject malicious JavaScript that steals user session cookies, allowing account takeover of logged-in users including administrators.
If Mitigated
With proper input validation and output encoding, malicious scripts would be neutralized before execution, preventing any impact.
🎯 Exploit Status
Exploitation requires contributor-level access or higher to inject malicious scripts into stored content.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.6.6
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find Custom Field Template and click 'Update Now'. 4. Verify version shows 2.6.6 or higher.
🔧 Temporary Workarounds
Disable plugin
allTemporarily disable the Custom Field Template plugin until patched
wp plugin deactivate custom-field-template
Restrict user roles
allLimit contributor and author access to prevent script injection
🧯 If You Can't Patch
- Implement web application firewall (WAF) rules to block XSS payloads
- Enable Content Security Policy (CSP) headers to restrict script execution
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Installed Plugins for Custom Field Template versionCheck Version:
wp plugin get custom-field-template --field=versionVerify Fix Applied:
Verify plugin version is 2.6.6 or higher in WordPress admin📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to plugin admin pages
- JavaScript injection patterns in form submissions
Network Indicators:
- Malicious script tags in HTTP requests to WordPress admin
SIEM Query:
source="wordpress.log" AND "custom-field-template" AND ("script" OR "javascript" OR "onload" OR "onerror")