CVE-2025-22504
📋 TL;DR
This vulnerability allows attackers to upload arbitrary files, including web shells, to servers running the vulnerable 4ECPS Web Forms WordPress plugin. Attackers can achieve remote code execution and full server compromise. All WordPress sites using affected versions of this plugin are at risk.
💻 Affected Systems
- 4ECPS Web Forms 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 takeover with attacker gaining administrative access, data theft, defacement, and using the server as a pivot point for further attacks.
Likely Case
Web shell upload leading to backdoor persistence, data exfiltration, and malware distribution from the compromised server.
If Mitigated
File uploads blocked or properly validated, limiting attacker to denial of service attempts or failed exploitation.
🎯 Exploit Status
File upload vulnerabilities are commonly exploited with automated tools. The Patchstack reference suggests public exploit details exist.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 0.2.19 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find '4ECPS Web Forms' and update to version 0.2.19 or later. 4. If update not available, deactivate and delete the plugin immediately.
🔧 Temporary Workarounds
Disable Plugin
allDeactivate the vulnerable plugin to prevent exploitation
wp plugin deactivate 4ecps-webforms
Web Server File Upload Restrictions
allConfigure web server to block uploads of executable files to plugin directories
# Apache: Add to .htaccess in wp-content/plugins/4ecps-webforms/
<FilesMatch "\.(php|phtml|php3|php4|php5|php7|phps|php8|pl|cgi|exe|dll|asp|aspx|jsp|sh|py|rb)$">
Order Allow,Deny
Deny from all
</FilesMatch>
# Nginx: Add to server block
location ~* ^/wp-content/plugins/4ecps-webforms/.*\.(php|phtml|php3|php4|php5|php7|phps|php8|pl|cgi|exe|dll|asp|aspx|jsp|sh|py|rb)$ {
deny all;
}
🧯 If You Can't Patch
- Immediately deactivate and remove the 4ECPS Web Forms plugin from all WordPress installations.
- Implement web application firewall (WAF) rules to block file uploads containing executable content to plugin paths.
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for '4ECPS Web Forms' version 0.2.18 or earlier.Check Version:
wp plugin list --name=4ecps-webforms --field=versionVerify Fix Applied:
Verify plugin version is 0.2.19 or later in WordPress admin panel, or confirm plugin is deactivated/removed.📡 Detection & Monitoring
Log Indicators:
- Unusual file uploads to /wp-content/plugins/4ecps-webforms/ directories
- POST requests to plugin upload endpoints with executable file extensions
- Web server error logs showing blocked upload attempts to plugin paths
Network Indicators:
- HTTP POST requests containing file uploads to paths containing '4ecps-webforms'
- Traffic patterns showing upload of files with extensions like .php, .phtml, .asp to WordPress plugin directories
SIEM Query:
source="web_server" AND (url="*4ecps-webforms*" AND method="POST" AND (file_extension="php" OR file_extension="phtml" OR file_extension="asp"))