CVE-2025-58925

8.1 HIGH

📋 TL;DR

This CVE describes a PHP Local File Inclusion vulnerability in the Neptunus WordPress theme. Attackers can exploit improper filename control in include/require statements to read sensitive files on the server. All WordPress sites using Neptunus theme version 1.0.11 or earlier are affected.

💻 Affected Systems

Products:
  • axiomthemes Neptunus WordPress Theme
Versions: All versions through 1.0.11
Operating Systems: Any OS running PHP
Default Config Vulnerable: ⚠️ Yes
Notes: Requires WordPress installation with Neptunus theme active. PHP configuration with allow_url_include disabled does not prevent local file inclusion.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Full server compromise via reading sensitive files like /etc/passwd, database credentials, or session files, potentially leading to remote code execution.

🟠

Likely Case

Information disclosure of sensitive server files, configuration files, or source code, which could enable further attacks.

🟢

If Mitigated

Limited impact if file permissions are properly configured and sensitive files are not accessible via web user.

🌐 Internet-Facing: HIGH - WordPress themes are typically internet-facing and this vulnerability requires no authentication.
🏢 Internal Only: MEDIUM - Internal WordPress sites could still be exploited by internal attackers or via compromised internal systems.

🎯 Exploit Status

Public PoC: ⚠️ Yes
Weaponized: LIKELY
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

Simple HTTP requests can trigger the vulnerability. Public exploit details are available in security advisories.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Version after 1.0.11 (check vendor for specific fixed version)

Vendor Advisory: https://patchstack.com/database/Wordpress/Theme/neptunus/vulnerability/wordpress-neptunus-theme-1-0-11-local-file-inclusion-vulnerability?_s_id=cve

Restart Required: No

Instructions:

1. Update Neptunus theme to latest version via WordPress admin panel. 2. If update not available, remove theme and replace with secure alternative. 3. Verify theme files are properly sanitizing user input in include/require statements.

🔧 Temporary Workarounds

Disable vulnerable theme

all

Temporarily switch to default WordPress theme until patch is available

wp theme activate twentytwentyfour

Web application firewall rule

linux

Block requests containing path traversal sequences in theme parameters

# Example mod_security rule: SecRule ARGS "\.\./" "id:1001,deny,status:403"

🧯 If You Can't Patch

  • Remove Neptunus theme completely and use alternative secure theme
  • Implement strict file permissions (chmod 600 on sensitive files, web user read-only access)

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel for Neptunus theme version. If version <= 1.0.11, vulnerable.

Check Version:

wp theme list --field=name,status,version | grep neptunus

Verify Fix Applied:

Verify theme version is > 1.0.11. Test with controlled LFI payload to confirm patched.

📡 Detection & Monitoring

Log Indicators:

  • HTTP requests with ../ sequences in theme-related parameters
  • Access to sensitive files like /etc/passwd from web user

Network Indicators:

  • Unusual file read patterns from WordPress theme endpoints
  • Requests with path traversal payloads

SIEM Query:

source="web_logs" AND (uri="*neptunus*" AND (param="*../*" OR response="*root:*"))

🔗 References

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