CVE-2025-11705

6.5 MEDIUM

📋 TL;DR

This vulnerability in the Anti-Malware Security and Brute-Force Firewall WordPress plugin allows authenticated attackers with Subscriber-level access or higher to read arbitrary files on the server. Attackers can access sensitive information like configuration files, credentials, or other private data. All WordPress sites using vulnerable versions of this plugin are affected.

💻 Affected Systems

Products:
  • Anti-Malware Security and Brute-Force Firewall WordPress plugin
Versions: All versions up to and including 4.23.81
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Requires WordPress installation with the vulnerable plugin enabled and at least one user with Subscriber role or higher.

⚠️ 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 gain access to sensitive files like wp-config.php containing database credentials, SSH keys, or other configuration files, leading to complete site compromise, data theft, or lateral movement within the server environment.

🟠

Likely Case

Attackers read WordPress configuration files to obtain database credentials, potentially leading to database access, data exfiltration, or privilege escalation within the WordPress installation.

🟢

If Mitigated

With proper access controls and monitoring, unauthorized file access attempts are detected and blocked before sensitive information is exposed.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

Requires authenticated access (Subscriber role minimum). Exploitation involves sending crafted AJAX requests to vulnerable GOTMLS_* endpoints.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Version 4.23.82 or later

Vendor Advisory: https://plugins.trac.wordpress.org/changeset/3379118/gotmls

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'Anti-Malware Security and Brute-Force Firewall'. 4. Click 'Update Now' if available, or download latest version from WordPress repository. 5. Activate updated plugin.

🔧 Temporary Workarounds

Disable vulnerable AJAX endpoints

all

Temporarily block access to vulnerable GOTMLS_* AJAX actions via .htaccess or web server configuration

# Add to .htaccess for Apache:
RewriteCond %{QUERY_STRING} action=GOTMLS_ [NC]
RewriteRule .* - [F,L]
# Add to nginx config:
location ~* \.php$ {
    if ($query_string ~* "action=GOTMLS_") {
        return 403;
    }
}

🧯 If You Can't Patch

  • Disable the plugin completely via WordPress admin or by renaming plugin directory
  • Implement strict access controls to limit Subscriber role creation and monitor for suspicious file access patterns

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin → Plugins → Installed Plugins for 'Anti-Malware Security and Brute-Force Firewall' version. If version is 4.23.81 or lower, system is vulnerable.

Check Version:

wp plugin list --name='Anti-Malware Security and Brute-Force Firewall' --field=version

Verify Fix Applied:

Verify plugin version shows 4.23.82 or higher in WordPress admin panel. Test that GOTMLS_* AJAX endpoints now require proper authorization.

📡 Detection & Monitoring

Log Indicators:

  • HTTP requests to /wp-admin/admin-ajax.php with action parameter containing 'GOTMLS_' patterns
  • Unusual file access patterns from authenticated users with low privileges
  • Multiple 403 errors following workaround implementation

Network Indicators:

  • POST requests to admin-ajax.php with GOTMLS_* actions from unexpected IPs
  • Unusual outbound data transfers following file read attempts

SIEM Query:

source="web_access_logs" AND uri="/wp-admin/admin-ajax.php" AND query="*action=GOTMLS_*"

🔗 References

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