CVE-2025-11170
📋 TL;DR
The WP移行専用プラグイン for CPI WordPress plugin allows unauthenticated attackers to upload arbitrary files due to missing file type validation. This vulnerability affects all versions up to 1.0.2 and can lead to remote code execution on affected WordPress sites.
💻 Affected Systems
- WP移行専用プラグイン for CPI (CPI WP Migration)
⚠️ 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.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Complete server compromise via remote code execution, allowing attackers to install malware, steal data, deface websites, or use the server for further attacks.
Likely Case
Attackers upload web shells to gain persistent access, deface websites, or install cryptocurrency miners.
If Mitigated
File uploads blocked or contained, preventing code execution but potentially allowing denial of service through disk space consumption.
🎯 Exploit Status
Simple file upload vulnerability with no authentication required; trivial to exploit with basic HTTP requests.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.0.3 or later
Vendor Advisory: https://wordpress.org/plugins/cpi-wp-migration/
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Go to Plugins → Installed Plugins. 3. Find 'WP移行専用プラグイン for CPI'. 4. Click 'Update Now' if available, or delete and reinstall latest version. 5. Verify plugin version is 1.0.3 or higher.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the vulnerable plugin until patched
wp plugin deactivate cpi-wp-migration
Block Plugin Endpoints
linuxUse web application firewall or .htaccess to block access to vulnerable import endpoints
# Add to .htaccess:
RewriteRule ^wp-content/plugins/cpi-wp-migration/.*\.php$ - [F,L]
🧯 If You Can't Patch
- Remove the plugin completely from all WordPress installations
- Implement strict file upload restrictions at web server level and monitor for suspicious upload attempts
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel → Plugins → Installed Plugins for 'WP移行専用プラグイン for CPI' version 1.0.2 or lowerCheck Version:
wp plugin get cpi-wp-migration --field=versionVerify Fix Applied:
Confirm plugin version is 1.0.3 or higher in WordPress admin panel📡 Detection & Monitoring
Log Indicators:
- HTTP POST requests to /wp-content/plugins/cpi-wp-migration/ endpoints with file uploads
- Unusual file creations in plugin directories
- PHP execution from plugin upload directories
Network Indicators:
- POST requests with file uploads to plugin-specific endpoints from unexpected sources
- Subsequent connections to uploaded files
SIEM Query:
source="web_logs" AND uri="/wp-content/plugins/cpi-wp-migration/" AND method="POST" AND (file_upload="true" OR content_type="multipart/form-data")