CVE-2025-39482

4.3 MEDIUM

📋 TL;DR

CVE-2025-39482 is a missing authorization vulnerability in the Eventer WordPress plugin that allows attackers to bypass intended access controls. This affects WordPress sites using Eventer versions before 3.11.4, potentially enabling unauthorized access to restricted functionality.

💻 Affected Systems

Products:
  • Eventer WordPress Plugin
Versions: All versions before 3.11.4
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Only affects WordPress installations with Eventer plugin installed and activated.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Attackers could modify event data, delete events, or access sensitive user information stored in the plugin.

🟠

Likely Case

Unauthorized users could view or modify event details they shouldn't have access to, potentially disrupting event management.

🟢

If Mitigated

With proper access controls and authentication checks, impact would be limited to attempted unauthorized access that gets blocked.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ✅ No
Complexity: LOW

Exploitation requires understanding of WordPress plugin structure but no special tools.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 3.11.4

Vendor Advisory: https://patchstack.com/database/wordpress/plugin/eventer/vulnerability/wordpress-eventer-wordpress-event-booking-manager-plugin-plugin-3-9-6-broken-access-control-vulnerability?_s_id=cve

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 available. 5. Alternatively, download version 3.11.4+ from WordPress repository and manually update.

🔧 Temporary Workarounds

Temporary Plugin Deactivation

all

Disable the Eventer plugin until patched

wp plugin deactivate eventer

Access Restriction via .htaccess

linux

Restrict access to Eventer plugin directories

Add 'Deny from all' to .htaccess in /wp-content/plugins/eventer/

🧯 If You Can't Patch

  • Implement additional WordPress user role checks and capability validation
  • Deploy web application firewall (WAF) rules to detect and block unauthorized access attempts

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin → Plugins → Eventer version number

Check Version:

wp plugin get eventer --field=version

Verify Fix Applied:

Verify Eventer plugin version is 3.11.4 or higher

📡 Detection & Monitoring

Log Indicators:

  • Unauthorized POST requests to Eventer endpoints
  • Failed authorization attempts in WordPress logs

Network Indicators:

  • Unusual traffic patterns to /wp-content/plugins/eventer/

SIEM Query:

source="wordpress" AND (uri_path="/wp-content/plugins/eventer/" AND response_status=200) AND user_role!="administrator"

🔗 References

📤 Share & Export