CVE-2025-67559
📋 TL;DR
This CVE describes a Missing Authorization vulnerability in the vcita Online Booking & Scheduling Calendar WordPress plugin that allows attackers to exploit incorrectly configured access control security levels. It affects WordPress sites using this plugin from any version up to and including 4.5.5, potentially allowing unauthorized access to functionality or data.
💻 Affected Systems
- Online Booking & Scheduling Calendar for WordPress by vcita
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Attackers could modify booking settings, access sensitive user data, or manipulate scheduling functionality that should be restricted to administrators.
Likely Case
Unauthorized users could access or modify booking configurations, potentially disrupting business operations or exposing limited sensitive information.
If Mitigated
With proper access controls and network segmentation, impact would be limited to the plugin's functionality without compromising the broader WordPress installation.
🎯 Exploit Status
Exploitation requires some level of access to the WordPress site but not necessarily administrative privileges.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: >4.5.5
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'Online Booking & Scheduling Calendar for WordPress by vcita'. 4. Click 'Update Now' if available, or download latest version from WordPress repository. 5. Activate updated plugin.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the vulnerable plugin until patched
wp plugin deactivate meeting-scheduler-by-vcita
Restrict Access
allUse web application firewall rules to restrict access to plugin endpoints
🧯 If You Can't Patch
- Implement strict network access controls to limit who can reach the WordPress admin interface
- Enable detailed logging and monitoring for unauthorized access attempts to plugin functionality
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for 'Online Booking & Scheduling Calendar for WordPress by vcita' version 4.5.5 or lowerCheck Version:
wp plugin get meeting-scheduler-by-vcita --field=versionVerify Fix Applied:
Verify plugin version is greater than 4.5.5 in WordPress admin panel📡 Detection & Monitoring
Log Indicators:
- Unauthorized access attempts to /wp-content/plugins/meeting-scheduler-by-vcita/ endpoints
- Unusual booking or scheduling modifications from non-admin users
Network Indicators:
- HTTP requests to plugin-specific endpoints from unauthorized IP addresses
SIEM Query:
source="wordpress.log" AND ("meeting-scheduler-by-vcita" OR "vcita") AND (status=403 OR status=401)