CVE-2024-3944
📋 TL;DR
The WP To Do WordPress plugin versions up to 1.3.0 contain a stored cross-site scripting vulnerability that allows authenticated attackers with administrator privileges to inject malicious scripts into pages. This affects multi-site WordPress installations and installations where unfiltered_html capability is disabled. When users visit compromised pages, the injected scripts execute in their browsers.
💻 Affected Systems
- WP To Do WordPress Plugin
📦 What is this software?
Wp To Do by Delower
⚠️ Risk & Real-World Impact
Worst Case
Attackers could steal administrator session cookies, redirect users to malicious sites, deface websites, or perform actions on behalf of authenticated users.
Likely Case
Attackers with compromised administrator accounts inject malicious JavaScript to steal session cookies or redirect users to phishing pages.
If Mitigated
With proper input validation and output escaping, no script injection occurs even with administrator access.
🎯 Exploit Status
Exploitation requires administrator-level WordPress credentials. Attackers must have access to an admin account to inject malicious scripts.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.3.1
Vendor Advisory: https://plugins.trac.wordpress.org/browser/wp-todo/trunk/inc/Base/Model.php#L225
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find WP To Do plugin. 4. Click 'Update Now' if update available. 5. Alternatively, download version 1.3.1+ from WordPress plugin repository and replace existing files.
🔧 Temporary Workarounds
Disable WP To Do Plugin
allTemporarily disable the vulnerable plugin until patched
wp plugin deactivate wp-todo
Enable unfiltered_html Capability
allEnable unfiltered_html for administrators (not recommended for security)
Add define('DISALLOW_UNFILTERED_HTML', false); to wp-config.php
🧯 If You Can't Patch
- Remove administrator access from untrusted users
- Implement web application firewall with XSS protection rules
🔍 How to Verify
Check if Vulnerable:
Check WP To Do plugin version in WordPress admin panel under Plugins → Installed PluginsCheck Version:
wp plugin get wp-todo --field=versionVerify Fix Applied:
Verify plugin version is 1.3.1 or higher and check that comment input fields properly sanitize HTML/JavaScript📡 Detection & Monitoring
Log Indicators:
- Unusual administrator account activity
- Multiple failed login attempts followed by successful admin login
- Suspicious JavaScript in comment fields of wp-todo entries
Network Indicators:
- Unexpected outbound connections from WordPress site after admin actions
- Traffic to known malicious domains from site visitors
SIEM Query:
source="wordpress.log" AND ("wp-todo" OR "comment injection") AND (admin_user OR administrator)