CVE-2025-57921

5.3 MEDIUM

📋 TL;DR

This CVE describes a missing authorization vulnerability in the N-Media Frontend File Manager WordPress plugin that allows attackers to bypass access controls and potentially upload or manage files without proper permissions. It affects all versions up to 23.2 of the plugin. WordPress sites using this vulnerable plugin are at risk.

💻 Affected Systems

Products:
  • N-Media Frontend File Manager WordPress Plugin
Versions: All versions up to and including 23.2
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Affects WordPress installations with the vulnerable plugin enabled. The vulnerability exists in the access control mechanisms of the file management functionality.

⚠️ Manual Verification Required

This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.

Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).

🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.

Recommended Actions:
  1. Review the CVE details at NVD
  2. Check vendor security advisories for your specific version
  3. Test if the vulnerability is exploitable in your environment
  4. Consider updating to the latest version as a precaution

⚠️ Risk & Real-World Impact

🔴

Worst Case

Attackers could upload malicious files, overwrite critical system files, or deface websites by exploiting broken access controls to gain unauthorized file management capabilities.

🟠

Likely Case

Unauthorized users could upload files they shouldn't have access to, potentially leading to content manipulation, defacement, or storage of malicious files on the server.

🟢

If Mitigated

With proper access controls and authentication checks, only authorized users can perform file operations, limiting the attack surface significantly.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ✅ No
Complexity: MEDIUM

Exploitation requires understanding of the plugin's file management endpoints and bypassing authorization checks, but no authentication is needed beyond basic access to the WordPress site.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Version after 23.2

Vendor Advisory: https://patchstack.com/database/wordpress/plugin/nmedia-user-file-uploader/vulnerability/wordpress-frontend-file-manager-plugin-23-2-broken-access-control-vulnerability?_s_id=cve

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'Frontend File Manager' and check for updates. 4. Update to the latest version (above 23.2). 5. Verify the update was successful.

🔧 Temporary Workarounds

Disable Plugin

WordPress

Temporarily disable the vulnerable plugin until patching is possible

wp plugin deactivate frontend-file-manager

Restrict Access

all

Use web application firewall rules to restrict access to plugin endpoints

🧯 If You Can't Patch

  • Disable the Frontend File Manager plugin completely until patching is possible
  • Implement strict file upload restrictions and monitoring for unauthorized file operations

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel > Plugins > Installed Plugins for 'Frontend File Manager' version 23.2 or earlier

Check Version:

wp plugin list --name='frontend-file-manager' --field=version

Verify Fix Applied:

Verify the plugin version is above 23.2 in WordPress admin panel > Plugins > Installed Plugins

📡 Detection & Monitoring

Log Indicators:

  • Unusual file upload activity from unauthorized users
  • Access to file management endpoints without proper authentication logs
  • Failed authorization attempts on plugin endpoints

Network Indicators:

  • HTTP requests to /wp-content/plugins/frontend-file-manager/ endpoints without proper authentication headers
  • Unusual file upload patterns to plugin-specific URLs

SIEM Query:

source="wordpress" AND (uri_path="/wp-content/plugins/frontend-file-manager/*" AND NOT user_role="administrator")

🔗 References

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