CVE-2025-12825
📋 TL;DR
The User Registration Using Contact Form 7 WordPress plugin has an authorization bypass vulnerability that allows unauthenticated attackers to retrieve form configuration data. This includes sensitive Facebook app secrets stored in form settings. All WordPress sites using this plugin up to version 2.5 are affected.
💻 Affected Systems
- User Registration Using Contact Form 7 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
Attackers obtain Facebook app secrets, potentially compromising associated Facebook applications, user data, and enabling further attacks on connected systems.
Likely Case
Attackers harvest Facebook app secrets to misuse associated Facebook applications, potentially accessing user data or performing unauthorized actions.
If Mitigated
Limited exposure of form configuration data without authentication, but no direct system compromise if Facebook app secrets are properly secured elsewhere.
🎯 Exploit Status
Simple HTTP request to vulnerable endpoint without authentication required. No special tools or skills needed.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Versions after 2.5
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'User Registration Using Contact Form 7'. 4. Click 'Update Now' if available. 5. Alternatively, download latest version from WordPress repository and replace plugin files.
🔧 Temporary Workarounds
Disable vulnerable plugin
allTemporarily deactivate the plugin until patched
Web application firewall rule
linuxBlock requests to the vulnerable endpoint
# Example for .htaccess (Apache):
RewriteEngine On
RewriteCond %{REQUEST_URI} ^/wp-admin/admin-ajax\.php$
RewriteCond %{QUERY_STRING} action=get_cf7_form_data
RewriteRule ^ - [F]
🧯 If You Can't Patch
- Remove Facebook app secrets from form configurations and store them securely elsewhere
- Implement network-level restrictions to limit access to WordPress admin-ajax.php endpoint
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Installed Plugins for 'User Registration Using Contact Form 7' version 2.5 or earlierCheck Version:
# In WordPress root directory:
grep -r "Version:" wp-content/plugins/user-registration-using-contact-form-7/*.phpVerify Fix Applied:
Verify plugin version is higher than 2.5 in WordPress admin panel📡 Detection & Monitoring
Log Indicators:
- HTTP requests to /wp-admin/admin-ajax.php with 'action=get_cf7_form_data' parameter from unauthenticated users
- Unusual access patterns to admin-ajax.php endpoint
Network Indicators:
- GET requests to WordPress sites with ?action=get_cf7_form_data parameter without authentication headers
SIEM Query:
source="web_logs" AND uri_path="/wp-admin/admin-ajax.php" AND query_string="*action=get_cf7_form_data*" AND NOT (user_agent="*bot*" OR user_agent="*crawler*")🔗 References
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3433276%40user-registration-using-contact-form-7&new=3433276%40user-registration-using-contact-form-7&sfp_email=&sfph_mail=
- https://www.wordfence.com/threat-intel/vulnerabilities/id/b49978c1-9254-4229-8d32-e12896301f3d?source=cve
