CVE-2025-64261
📋 TL;DR
This CVE describes a Missing Authorization vulnerability in the Appointment Booking Calendar WordPress plugin that allows attackers to bypass access controls. It affects WordPress sites using vulnerable versions of the plugin, potentially allowing unauthorized access to booking functionality.
💻 Affected Systems
- Appointment Booking Calendar WordPress Plugin
⚠️ Manual Verification Required
This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.
Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).
🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Attackers could manipulate booking data, view sensitive appointment information, or disrupt booking operations for all users.
Likely Case
Unauthorized users could access booking management features, modify appointments, or view booking details they shouldn't have access to.
If Mitigated
With proper access controls and authentication, impact would be limited to authorized functionality only.
🎯 Exploit Status
Exploitation requires understanding of WordPress plugin structure but no special tools.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Versions after 1.3.95
Restart Required: No
Instructions:
1. Log into WordPress admin panel
2. Navigate to Plugins > Installed Plugins
3. Find Appointment Booking Calendar
4. Click 'Update Now' if available
5. If no update available, deactivate and remove plugin
6. Install latest version from WordPress repository
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the vulnerable plugin until patched
wp plugin deactivate appointment-booking-calendar
Restrict Access
allUse web application firewall to restrict access to plugin endpoints
🧯 If You Can't Patch
- Implement strict access controls at network level
- Monitor plugin endpoints for unauthorized access attempts
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Appointment Booking Calendar versionCheck Version:
wp plugin get appointment-booking-calendar --field=versionVerify Fix Applied:
Verify plugin version is greater than 1.3.95📡 Detection & Monitoring
Log Indicators:
- Unauthorized access attempts to /wp-content/plugins/appointment-booking-calendar/ endpoints
- Unusual booking modifications from unexpected IPs
Network Indicators:
- HTTP requests to plugin endpoints without proper authentication headers
SIEM Query:
source="wordpress" AND (uri_path="/wp-content/plugins/appointment-booking-calendar/*" AND NOT user_role="administrator")