CVE-2024-11134
📋 TL;DR
The Eventer WordPress plugin has an authorization vulnerability that allows authenticated users with subscriber-level permissions or higher to download booking data containing customers' personal information. This affects all WordPress sites using Eventer plugin versions up to and including 3.9.9. The vulnerability stems from a missing capability check in the export function.
💻 Affected Systems
- Eventer WordPress Event Manager Plugin
📦 What is this software?
Eventer by Imithemes
⚠️ Risk & Real-World Impact
Worst Case
Attackers could exfiltrate all booking data containing PII (names, emails, phone numbers, addresses) leading to data breach, regulatory fines, and reputational damage.
Likely Case
Low-privileged authenticated users accessing booking data they shouldn't have permission to view, potentially exposing customer information.
If Mitigated
Minimal impact if proper access controls and monitoring are in place to detect unauthorized data exports.
🎯 Exploit Status
Exploitation requires authenticated access but is simple once authenticated. The vulnerability is publicly documented.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version 3.10.0 or higher
Vendor Advisory: https://codecanyon.net/item/eventer-wordpress-event-manager-plugin/20972534
Restart Required: No
Instructions:
1. Log into WordPress admin panel
2. Navigate to Plugins → Installed Plugins
3. Find Eventer plugin
4. Click 'Update Now' if update available
5. If no update available, download latest version from vendor
6. Deactivate old plugin, upload new version, activate
🔧 Temporary Workarounds
Remove vulnerable plugin
allTemporarily deactivate or remove the Eventer plugin until patched
wp plugin deactivate eventer
wp plugin delete eventer
Restrict user roles
allLimit subscriber-level accounts or implement additional access controls
🧯 If You Can't Patch
- Implement web application firewall rules to block access to vulnerable endpoints
- Enable detailed logging of all data export activities and monitor for unauthorized access
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel → Plugins → Eventer version number. If version is 3.9.9 or lower, you are vulnerable.Check Version:
wp plugin get eventer --field=versionVerify Fix Applied:
After updating, verify Eventer plugin version is 3.10.0 or higher in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unusual CSV export requests from non-admin users
- Multiple booking data export attempts from single user
- Access to /wp-admin/admin-ajax.php with action=eventer_export_bookings_csv
Network Indicators:
- HTTP POST requests to admin-ajax.php with export parameters
- Unexpected large CSV file downloads from WordPress admin area
SIEM Query:
source="wordpress.log" AND ("eventer_export_bookings_csv" OR "admin-ajax.php") AND user_role!="administrator"