CVE-2023-49758
📋 TL;DR
This CVE describes a Missing Authorization vulnerability in the Veribo, Roland Murg WP Booking System plugin for WordPress, allowing attackers to exploit incorrectly configured access control security levels. It affects all versions up to 2.0.19.2, potentially enabling unauthorized actions on booking system data. WordPress sites using this plugin are at risk.
💻 Affected Systems
- Veribo, Roland Murg WP Booking System
⚠️ 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, delete reservations, or access sensitive user information without authorization, leading to data integrity loss or privacy breaches.
Likely Case
Unauthorized users may view or modify booking details they shouldn't have access to, disrupting business operations or causing minor data tampering.
If Mitigated
With proper access controls and authentication, the vulnerability is neutralized, preventing any unauthorized actions on the booking system.
🎯 Exploit Status
Exploitation likely requires some level of user interaction or access, but details are not publicly documented; the low complexity suggests it may be straightforward to abuse.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.0.19.3 or later
Restart Required: No
Instructions:
1. Log into the WordPress admin dashboard. 2. Navigate to Plugins > Installed Plugins. 3. Find 'WP Booking System' and click 'Update Now' if an update is available. 4. Alternatively, download the latest version from the WordPress plugin repository and upload it manually via FTP or the admin interface.
🔧 Temporary Workarounds
Disable the Plugin
allTemporarily deactivate the WP Booking System plugin to prevent exploitation until a patch can be applied.
wp plugin deactivate wp-booking-system
Restrict Access via Firewall
linuxUse a web application firewall (WAF) or server firewall rules to block unauthorized requests to the plugin's endpoints.
# Example for Apache: add to .htaccess
<FilesMatch "wp-booking-system">
Order Deny,Allow
Deny from all
</FilesMatch>
# Example for Nginx: add to server block
location ~ /wp-content/plugins/wp-booking-system/ {
deny all;
}
🧯 If You Can't Patch
- Implement strict access controls and role-based permissions within WordPress to limit who can interact with the booking system.
- Monitor logs for suspicious activity related to the plugin and set up alerts for unauthorized access attempts.
🔍 How to Verify
Check if Vulnerable:
Check the plugin version in WordPress admin under Plugins > Installed Plugins; if version is 2.0.19.2 or lower, it is vulnerable.Check Version:
wp plugin get wp-booking-system --field=versionVerify Fix Applied:
After updating, confirm the plugin version is 2.0.19.3 or higher in the same location and test access controls to ensure unauthorized actions are blocked.📡 Detection & Monitoring
Log Indicators:
- Unusual POST or GET requests to wp-booking-system endpoints, especially from unauthorized IPs or users.
- Failed authorization attempts or access denied errors in WordPress or server logs related to the plugin.
Network Indicators:
- Traffic spikes to booking system URLs, anomalous patterns in user-agent strings targeting the plugin.
SIEM Query:
source="wordpress_logs" AND (plugin="wp-booking-system" AND (action="unauthorized_access" OR status="403"))