CVE-2025-39584

7.5 HIGH

📋 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

Products:
  • Themewinter Eventin WordPress Plugin
Versions: n/a through 4.0.25
Operating Systems: Any OS running PHP
Default Config Vulnerable: ⚠️ Yes
Notes: Requires WordPress installation with Eventin plugin enabled. PHP configuration with allow_url_include disabled does not prevent local file inclusion.

📦 What is this software?

⚠️ 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.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ⚠️ Yes
Weaponized: LIKELY
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

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

all

Temporarily disable the vulnerable plugin until patched version is available.

wp plugin deactivate wp-event-solution

Web Application Firewall Rule

linux

Block 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://*"))

🔗 References

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