CVE-2024-11768

5.3 MEDIUM

📋 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

Products:
  • WordPress Download Manager plugin
Versions: All versions up to and including 3.3.03
Operating Systems: All operating systems running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Any WordPress site with the Download Manager plugin installed and password-protected files configured is vulnerable.

📦 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.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

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

all

Temporarily disable the vulnerable plugin until patching is possible

wp plugin deactivate download-manager

Remove password protection

all

Remove 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=*)

🔗 References

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