CVE-2025-28915
📋 TL;DR
This vulnerability allows attackers to upload arbitrary files, including web shells, to WordPress sites using the ThemeEgg ToolKit plugin. Attackers can gain full control of affected web servers. All WordPress installations with vulnerable versions of ThemeEgg ToolKit are affected.
💻 Affected Systems
- ThemeEgg ToolKit 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, or use as part of a botnet.
Likely Case
Website defacement, data exfiltration, or installation of backdoors for persistent access.
If Mitigated
Limited impact if file uploads are restricted via web application firewall or server configuration.
🎯 Exploit Status
Simple HTTP POST request with malicious file upload bypasses validation.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.3.0 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find ThemeEgg ToolKit and update to version 1.3.0 or later. 4. Verify update completed successfully.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily deactivate ThemeEgg ToolKit plugin until patched.
wp plugin deactivate themeegg-toolkit
Restrict Upload Directory
linuxSet upload directory permissions to prevent PHP execution.
chmod 644 /path/to/wp-content/uploads/*.php
find /path/to/wp-content/uploads -name "*.php" -delete
🧯 If You Can't Patch
- Disable ThemeEgg ToolKit plugin immediately.
- Implement web application firewall rules to block file uploads to vulnerable endpoints.
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for ThemeEgg ToolKit version 1.2.9 or earlier.Check Version:
wp plugin get themeegg-toolkit --field=versionVerify Fix Applied:
Confirm ThemeEgg ToolKit version is 1.3.0 or later in WordPress plugins list.📡 Detection & Monitoring
Log Indicators:
- HTTP POST requests to /wp-content/plugins/themeegg-toolkit/upload endpoints with .php files
- Unusual file creation in uploads directory
Network Indicators:
- POST requests with file uploads to ThemeEgg ToolKit endpoints
- Unexpected outbound connections from web server
SIEM Query:
source="web_server" AND (uri="/wp-content/plugins/themeegg-toolkit/*" AND method="POST" AND file_extension="php")