CVE-2025-39507
📋 TL;DR
This vulnerability allows attackers to include local files on the server through improper filename control in PHP's include/require statements. It affects WordPress sites using the Nasa Core plugin, potentially leading to sensitive file disclosure or code execution. All sites running Nasa Core versions up to 6.3.2 are vulnerable.
💻 Affected Systems
- Nasa Core WordPress Plugin
📦 What is this software?
Nasa Core by Nasatheme
⚠️ Risk & Real-World Impact
Worst Case
Full server compromise through local file inclusion leading to remote code execution, sensitive data exposure, and complete site takeover.
Likely Case
Sensitive file disclosure (configuration files, database credentials), limited code execution, and potential privilege escalation.
If Mitigated
No impact if proper file permissions and web server configurations prevent access to sensitive files.
🎯 Exploit Status
Exploit requires knowledge of file paths but is straightforward for attackers familiar with LFI techniques.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 6.3.3 or later
Vendor Advisory: https://patchstack.com/database/wordpress/plugin/nasa-core/vulnerability/wordpress-nasa-core-plugin-6-3-2-local-file-inclusion-vulnerability?_s_id=cve
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find Nasa Core and click 'Update Now'. 4. Verify version is 6.3.3 or higher.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the Nasa Core plugin until patched
wp plugin deactivate nasa-core
Restrict File Access
linuxConfigure web server to deny access to sensitive directories
# In .htaccess for Apache:
<FilesMatch "\.(php|inc|conf|ini|log|sql)$">
Order allow,deny
Deny from all
</FilesMatch>
🧯 If You Can't Patch
- Implement web application firewall (WAF) rules to block LFI patterns
- Restrict PHP's open_basedir directive to limit file access
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Nasa Core version. If version is 6.3.2 or lower, system is vulnerable.Check Version:
wp plugin get nasa-core --field=versionVerify Fix Applied:
Verify Nasa Core plugin version is 6.3.3 or higher in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unusual include/require statements in PHP logs
- Access to sensitive files like /etc/passwd, wp-config.php
Network Indicators:
- HTTP requests with file path traversal patterns in parameters
SIEM Query:
source="web_logs" AND ("include.php" OR "require.php") AND (".." OR "/etc/" OR "wp-config")