CVE-2024-53822
📋 TL;DR
This vulnerability allows unauthenticated attackers to upload arbitrary files to WordPress sites using the Pie Register Premium plugin. Attackers can upload malicious PHP files and execute code, potentially taking full control of affected websites. All WordPress sites running vulnerable versions of Pie Register Premium are affected.
💻 Affected Systems
- Genetech Pie Register Premium WordPress 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
Complete server compromise leading to data theft, ransomware deployment, website defacement, and use as a foothold for lateral movement within the network.
Likely Case
Website takeover, malware injection, credential theft, and creation of backdoors for persistent access.
If Mitigated
File upload attempts blocked at web application firewall level with no successful exploitation.
🎯 Exploit Status
Simple file upload exploitation with publicly available proof-of-concept code. No authentication required.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 3.8.3.3
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find Pie Register Premium and click 'Update Now'. 4. Verify version shows 3.8.3.3 or higher.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable Pie Register Premium plugin until patched
wp plugin deactivate pie-register-premium
Web Application Firewall Rule
allBlock file uploads to Pie Register endpoints
Modify WAF to block POST requests containing file uploads to /wp-content/plugins/pie-register-premium/
🧯 If You Can't Patch
- Disable Pie Register Premium plugin immediately
- Implement strict file upload restrictions at web server level (block .php, .phtml, .phar extensions)
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel → Plugins → Pie Register Premium version numberCheck Version:
wp plugin get pie-register-premium --field=versionVerify Fix Applied:
Confirm plugin version is 3.8.3.3 or higher in WordPress admin📡 Detection & Monitoring
Log Indicators:
- File uploads to /wp-content/plugins/pie-register-premium/
- POST requests with .php files to plugin endpoints
- Unauthorized file creation in uploads directory
Network Indicators:
- POST requests with multipart/form-data to Pie Register endpoints
- Unexpected file uploads from unauthenticated sources
SIEM Query:
source="web_server" AND (uri_path="/wp-content/plugins/pie-register-premium/" AND http_method="POST" AND content_type="multipart/form-data")