CVE-2025-39584
📋 TL;DR
This vulnerability allows attackers to include local files on the server through improper input validation in the Eventin WordPress plugin. Attackers can potentially read sensitive files or execute code by manipulating file inclusion parameters. All WordPress sites using Eventin plugin versions up to 4.0.25 are affected.
💻 Affected Systems
- Themewinter Eventin WordPress Plugin
📦 What is this software?
Eventin by Themewinter
⚠️ Risk & Real-World Impact
Worst Case
Remote code execution leading to complete server compromise, data theft, and website defacement.
Likely Case
Sensitive file disclosure (configuration files, database credentials) and limited code execution.
If Mitigated
File inclusion attempts blocked with proper input validation and file system restrictions.
🎯 Exploit Status
Exploitation requires knowledge of vulnerable endpoints but is straightforward once identified. Public exploit details available.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 4.0.26 or later
Vendor Advisory: https://patchstack.com/database/wordpress/plugin/wp-event-solution/vulnerability/wordpress-eventin-4-0-25-local-file-inclusion-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 available. 5. If no update available, deactivate and delete plugin, then install fresh version 4.0.26+ from WordPress repository.
🔧 Temporary Workarounds
Disable Eventin Plugin
allTemporarily disable the vulnerable plugin until patched version is available.
wp plugin deactivate wp-event-solution
Web Application Firewall Rule
linuxBlock requests containing file inclusion patterns targeting Eventin endpoints.
ModSecurity rule: SecRule ARGS "\.\./" "id:1001,phase:2,deny,status:403,msg:'Local File Inclusion Attempt'
🧯 If You Can't Patch
- Implement strict input validation on all user-controlled parameters used in file operations.
- Apply principle of least privilege to web server process and restrict file system access.
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Eventin version. If version is 4.0.25 or earlier, system is vulnerable.
Check Version:
wp plugin get wp-event-solution --field=version
Verify Fix Applied:
Confirm Eventin plugin version is 4.0.26 or later in WordPress admin panel.
📡 Detection & Monitoring
Log Indicators:
- HTTP requests with suspicious file paths in parameters (e.g., ../../etc/passwd)
- PHP warnings about failed file inclusions
- Unauthorized access attempts to wp-content/plugins/wp-event-solution/
Network Indicators:
- HTTP requests with file traversal sequences (../) targeting Eventin endpoints
- Unusual file read patterns from web server
SIEM Query:
source="web_server" AND (uri_path="*wp-content/plugins/wp-event-solution/*" AND (query="*../*" OR query="*php://*"))