CVE-2025-49907

4.3 MEDIUM

📋 TL;DR

This CVE describes a missing authorization vulnerability in the RealMag777 MDTF WordPress plugin that allows attackers to bypass intended access controls. It affects WordPress sites using the wp-meta-data-filter-and-taxonomy-filter plugin version 1.3.3.9 and earlier. Attackers could potentially access restricted functionality or data they shouldn't have permission to view.

💻 Affected Systems

Products:
  • RealMag777 MDTF wp-meta-data-filter-and-taxonomy-filter WordPress plugin
Versions: All versions up to and including 1.3.3.9
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Affects WordPress installations with the vulnerable plugin activated. The vulnerability exists in the plugin's access control implementation.

⚠️ 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

Unauthorized users gain administrative privileges, modify site content, access sensitive user data, or install malicious plugins/themes.

🟠

Likely Case

Unauthorized users access restricted filtering functionality, view private content, or manipulate filter settings they shouldn't control.

🟢

If Mitigated

Proper role-based access controls prevent exploitation, limiting impact to minor information disclosure.

🌐 Internet-Facing: HIGH - WordPress sites are typically internet-facing, and this vulnerability could be exploited remotely without authentication in some configurations.
🏢 Internal Only: MEDIUM - Internal attackers could exploit this to escalate privileges or access restricted internal content.

🎯 Exploit Status

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

Exploitation requires understanding of WordPress role capabilities and plugin functionality. No public exploit code is currently available.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Version after 1.3.3.9

Vendor Advisory: https://patchstack.com/database/Wordpress/Plugin/wp-meta-data-filter-and-taxonomy-filter/vulnerability/wordpress-mdtf-plugin-1-3-3-9-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 'MDTF wp-meta-data-filter-and-taxonomy-filter'. 4. Click 'Update Now' if update available. 5. If no update available, deactivate and delete plugin, then install latest version from WordPress repository.

🔧 Temporary Workarounds

Disable vulnerable plugin

WordPress

Temporarily deactivate the plugin until patched version is available

wp plugin deactivate wp-meta-data-filter-and-taxonomy-filter

Restrict plugin access via .htaccess

Apache

Add access restrictions to plugin directories

# Add to .htaccess in plugin directory:
Order Deny,Allow
Deny from all

🧯 If You Can't Patch

  • Implement strict network access controls to limit who can access the WordPress admin interface
  • Enable WordPress security plugins that monitor for unauthorized access attempts and privilege escalation

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel → Plugins → Installed Plugins, find 'MDTF wp-meta-data-filter-and-taxonomy-filter' and check version number.

Check Version:

wp plugin get wp-meta-data-filter-and-taxonomy-filter --field=version

Verify Fix Applied:

Verify plugin version is greater than 1.3.3.9 in WordPress admin panel, then test restricted functionality with non-admin user accounts.

📡 Detection & Monitoring

Log Indicators:

  • Unauthorized access attempts to plugin admin pages
  • Users accessing filter functionality without proper roles
  • 403 errors followed by successful 200 responses to restricted endpoints

Network Indicators:

  • HTTP requests to /wp-admin/admin-ajax.php with mdtf-related actions from unauthorized IPs
  • POST requests to plugin-specific endpoints from non-admin users

SIEM Query:

source="wordpress.log" AND (uri_path="/wp-admin/admin-ajax.php" AND action="mdtf_*") AND user_role!="administrator"

🔗 References

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