CVE-2025-52835
📋 TL;DR
A Cross-Site Request Forgery (CSRF) vulnerability in the ConoHa by GMO WING WordPress Migrator plugin allows attackers to trick authenticated administrators into uploading a web shell to the server. This affects all WordPress sites using the WING WordPress Migrator plugin versions up to and including 1.1.9. Successful exploitation gives attackers full control over the web server.
💻 Affected Systems
- ConoHa by GMO WING WordPress Migrator
⚠️ 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 leading to data theft, ransomware deployment, defacement, and use as a pivot point for attacking internal networks.
Likely Case
Attackers upload web shells to gain persistent access, install malware, steal sensitive data, and use the server for further attacks.
If Mitigated
With proper CSRF protections and authentication controls, exploitation requires social engineering but remains possible if users are tricked.
🎯 Exploit Status
Exploitation requires social engineering but uses simple CSRF techniques with publicly available proof-of-concept.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.2.0 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'WING WordPress Migrator' and update to version 1.2.0 or later. 4. Verify update completes successfully.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the vulnerable plugin until patching is possible.
wp plugin deactivate wing-migrator
Implement CSRF Protection
allAdd WordPress nonce verification to plugin file upload functionality.
Edit plugin PHP files to add wp_verify_nonce() checks on file upload endpoints
🧯 If You Can't Patch
- Remove the WING WordPress Migrator plugin completely from all WordPress installations.
- Implement web application firewall (WAF) rules to block file upload requests to the vulnerable endpoint.
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for 'WING WordPress Migrator' version 1.1.9 or earlier.Check Version:
wp plugin get wing-migrator --field=versionVerify Fix Applied:
Verify plugin version shows 1.2.0 or later in WordPress admin plugins list.📡 Detection & Monitoring
Log Indicators:
- Unusual file uploads to WordPress upload directories, particularly PHP files with suspicious names
- POST requests to /wp-admin/admin-ajax.php with action=wing_migrator_upload
Network Indicators:
- HTTP POST requests containing multipart/form-data with PHP file uploads to WordPress admin endpoints
SIEM Query:
source="web_logs" AND (uri_path="/wp-admin/admin-ajax.php" AND post_data CONTAINS "wing_migrator_upload")