CVE-2025-47539
📋 TL;DR
This vulnerability allows attackers to escalate privileges in the Themewinter Eventin WordPress plugin, potentially gaining administrative access. It affects all WordPress sites running Eventin versions up to 4.0.26. Attackers could take full control of affected WordPress installations.
💻 Affected Systems
- Themewinter Eventin WordPress Plugin
📦 What is this software?
Eventin by Themewinter
⚠️ Risk & Real-World Impact
Worst Case
Complete site takeover with administrative privileges, allowing data theft, malware injection, defacement, and further network compromise.
Likely Case
Unauthorized administrative access leading to content manipulation, plugin/theme installation, and user account compromise.
If Mitigated
Limited impact with proper access controls, monitoring, and network segmentation preventing lateral movement.
🎯 Exploit Status
Exploitation requires some level of access but is technically simple once initial access is obtained.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 4.0.27 or later
Vendor Advisory: https://patchstack.com/database/wordpress/plugin/wp-event-solution/vulnerability/wordpress-eventin-4-0-26-privilege-escalation-vulnerability?_s_id=cve
Restart Required: No
Instructions:
1. Log into WordPress admin panel
2. Navigate to Plugins > Installed Plugins
3. Find Eventin plugin
4. Click 'Update Now' if update is available
5. If no update appears, manually download version 4.0.27+ from WordPress.org
6. Deactivate old version, upload new version, activate
🔧 Temporary Workarounds
Disable Eventin Plugin
allTemporarily disable the vulnerable plugin until patched
wp plugin deactivate eventin
Restrict Admin Access
allLimit administrative access to trusted IP addresses only
# Add to .htaccess for Apache:
Order Deny,Allow
Deny from all
Allow from 192.168.1.0/24
# Add to nginx config:
location /wp-admin {
allow 192.168.1.0/24;
deny all;
}
🧯 If You Can't Patch
- Disable the Eventin plugin immediately
- Implement strict access controls and monitor for privilege escalation attempts
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Eventin version. If version is 4.0.26 or lower, you are vulnerable.Check Version:
wp plugin get eventin --field=versionVerify Fix Applied:
Verify Eventin plugin version is 4.0.27 or higher in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unusual admin user creation
- Privilege level changes in user tables
- Eventin plugin activation/deactivation logs
Network Indicators:
- Unexpected admin panel access from new IPs
- Increased wp-admin traffic
SIEM Query:
source="wordpress" (event="user_role_changed" OR event="user_created") AND user_role="administrator"