CVE-2024-11768
📋 TL;DR
The Download Manager WordPress plugin has an authentication bypass vulnerability that allows unauthenticated attackers to download password-protected files without valid credentials. This affects all WordPress sites using Download Manager versions up to 3.3.03. Attackers can access sensitive files that should be restricted to authorized users only.
💻 Affected Systems
- WordPress Download Manager plugin
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Sensitive documents, proprietary data, or confidential files are exfiltrated by attackers, leading to data breaches, intellectual property theft, or regulatory compliance violations.
Likely Case
Attackers download password-protected files containing sensitive information, potentially exposing user data, internal documents, or other restricted content.
If Mitigated
If proper access controls and monitoring are in place, impact is limited to potential exposure of specific password-protected files, with detection of unauthorized access attempts.
🎯 Exploit Status
The vulnerability requires no authentication and involves bypassing password validation, making exploitation straightforward.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 3.3.04 or later
Vendor Advisory: https://plugins.trac.wordpress.org/browser/download-manager/trunk/src/__/Apply.php#L376
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find Download Manager and click 'Update Now'. 4. Alternatively, download version 3.3.04+ from WordPress plugin repository and manually update.
🔧 Temporary Workarounds
Disable Download Manager plugin
allTemporarily disable the vulnerable plugin until patching is possible
wp plugin deactivate download-manager
Remove password protection
allRemove password protection from files in Download Manager to eliminate the vulnerable functionality
🧯 If You Can't Patch
- Implement web application firewall (WAF) rules to block requests to the vulnerable checkFilePassword function
- Monitor access logs for unusual download patterns from password-protected files
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel → Plugins → Installed Plugins for Download Manager version. If version is 3.3.03 or earlier, the system is vulnerable.
Check Version:
wp plugin list --name=download-manager --field=version
Verify Fix Applied:
Verify Download Manager plugin version is 3.3.04 or later in WordPress admin panel.
📡 Detection & Monitoring
Log Indicators:
- Unusual download requests for password-protected files
- Multiple failed password attempts followed by successful downloads without valid credentials
- Requests to /wp-content/plugins/download-manager/ with unusual parameters
Network Indicators:
- Unusual spikes in download traffic from unexpected IP addresses
- Requests bypassing authentication to protected file endpoints
SIEM Query:
source="wordpress.log" AND ("download-manager" OR "checkFilePassword") AND status=200 AND (NOT authenticated_user=*)