CVE-2025-31618
📋 TL;DR
This vulnerability allows attackers to bypass authorization controls in the Jaap Jansma Connector to CiviCRM with CiviMcRestFace WordPress plugin. Attackers can exploit incorrectly configured access controls to perform unauthorized actions. All WordPress sites using affected versions of this plugin are vulnerable.
💻 Affected Systems
- Jaap Jansma Connector to CiviCRM with CiviMcRestFace 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 compromise of CiviCRM data through unauthorized access, modification, or deletion of sensitive information, potentially leading to data breach or system takeover.
Likely Case
Unauthorized access to CiviCRM functionality, allowing attackers to view or modify contact data, donations, or other sensitive information managed through CiviCRM.
If Mitigated
Limited impact with proper access controls and monitoring, potentially only allowing access to non-sensitive functions.
🎯 Exploit Status
Exploitation requires understanding of the plugin's API endpoints and access control weaknesses. No public exploit code is currently available.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.1.0 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'Connector to CiviCRM with CiviMcRestFace'. 4. Click 'Update Now' if update is available. 5. If no update appears, manually download version 1.1.0+ from WordPress repository and replace plugin files.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the vulnerable plugin until patched
wp plugin deactivate connector-civicrm-mcrestface
Restrict API Access
linuxUse web application firewall or .htaccess to restrict access to plugin API endpoints
# Add to .htaccess: RewriteRule ^wp-content/plugins/connector-civicrm-mcrestface/.*$ - [F,L]
🧯 If You Can't Patch
- Disable the plugin completely and use alternative CiviCRM integration methods
- Implement strict network segmentation and access controls to limit who can reach the WordPress instance
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for 'Connector to CiviCRM with CiviMcRestFace' version 1.0.9 or earlierCheck Version:
wp plugin get connector-civicrm-mcrestface --field=versionVerify Fix Applied:
Verify plugin version is 1.1.0 or later in WordPress admin panel📡 Detection & Monitoring
Log Indicators:
- Unusual API requests to /wp-content/plugins/connector-civicrm-mcrestface/ endpoints
- Failed authorization attempts followed by successful CiviCRM operations
- Unauthorized user accessing CiviCRM functions
Network Indicators:
- HTTP requests to plugin REST endpoints from unauthorized IPs
- Unusual traffic patterns to CiviCRM API through WordPress
SIEM Query:
source="wordpress" AND (uri_path="/wp-content/plugins/connector-civicrm-mcrestface/*" OR plugin_name="connector-civicrm-mcrestface") AND (http_status=200 OR http_status=201) AND user_role!="administrator"