CVE-2025-22654
📋 TL;DR
This vulnerability allows attackers to upload malicious files to WordPress sites using the Simplified plugin. It affects all WordPress installations running Simplified plugin versions up to 1.0.6, potentially leading to complete system compromise.
💻 Affected Systems
- WordPress Simplified Plugin
⚠️ 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
Remote code execution leading to complete server takeover, data theft, defacement, and malware distribution.
Likely Case
Webshell upload enabling persistent backdoor access, data exfiltration, and further lateral movement.
If Mitigated
File upload attempts blocked or quarantined with no successful exploitation.
🎯 Exploit Status
CVSS 10.0 indicates trivial exploitation with maximum impact. Public exploit details available.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.0.7 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find Simplified plugin. 4. Click 'Update Now' if update available. 5. If no update, deactivate and delete plugin immediately.
🔧 Temporary Workarounds
Disable Plugin
allDeactivate and remove the vulnerable plugin
wp plugin deactivate simplified
wp plugin delete simplified
Web Server File Upload Restrictions
linuxConfigure web server to block uploads of executable file types
# Add to .htaccess for Apache:
<FilesMatch "\.(php|phtml|php3|php4|php5|phps|pl|py|jsp|asp|sh|cgi)$">
Order Allow,Deny
Deny from all
</FilesMatch>
# Nginx config:
location ~* \.(php|phtml|php3|php4|php5|phps|pl|py|jsp|asp|sh|cgi)$ {
deny all;
}
🧯 If You Can't Patch
- Immediately deactivate and remove the Simplified plugin from all WordPress installations.
- Implement web application firewall (WAF) rules to block file uploads to the plugin's endpoints.
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel → Plugins → Simplified plugin version. If version is 1.0.6 or earlier, you are vulnerable.Check Version:
wp plugin get simplified --field=versionVerify Fix Applied:
Verify plugin version is 1.0.7 or later, or confirm plugin is completely removed from plugins directory.📡 Detection & Monitoring
Log Indicators:
- POST requests to /wp-content/plugins/simplified/ upload endpoints
- File uploads with .php, .phtml, .php5 extensions
- Unauthorized file creation in upload directories
Network Indicators:
- HTTP POST requests with file uploads to plugin-specific paths
- Unusual outbound connections from web server post-upload
SIEM Query:
source="web_server" AND (uri_path="/wp-content/plugins/simplified/" AND method="POST" AND content_type="multipart/form-data")