CVE-2023-50840 – This SQL injection vulnerability in the WordPre... (How to Fix)

📋 TL;DR

This SQL injection vulnerability in the WordPress Booking Manager plugin allows attackers to execute arbitrary SQL commands on the database. It affects all WordPress sites using Booking Manager plugin versions up to 2.1.5. Successful exploitation could lead to data theft, modification, or deletion.

💻 Affected Systems

Products:

WordPress Booking Manager plugin by wpdevelop, oplugins

Versions: All versions up to and including 2.1.5

Operating Systems: All operating systems running WordPress

Default Config Vulnerable: ⚠️ Yes

Notes: Affects all WordPress installations with vulnerable plugin versions

📦 What is this software?

Booking Manager by Oplugins

View all CVEs affecting Booking Manager →

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete database compromise leading to data theft, privilege escalation, or site takeover

🟠

Likely Case

Data exfiltration, user information theft, or database manipulation

🟢

If Mitigated

Limited impact with proper input validation and WAF protection

🌐 Internet-Facing: HIGH

🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ✅ No

Weaponized: LIKELY

Unauthenticated Exploit: ⚠️ Yes

Complexity: LOW

SQL injection vulnerabilities are commonly weaponized quickly

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 2.1.6 or later

Vendor Advisory: https://patchstack.com/database/vulnerability/booking-manager/wordpress-booking-manager-plugin-2-1-5-sql-injection-vulnerability

Restart Required: No

Instructions:

1. Log into WordPress admin panel
2. Navigate to Plugins > Installed Plugins
3. Find Booking Manager plugin
4. Click 'Update Now' if available
5. Alternatively, download version 2.1.6+ from WordPress repository
6. Deactivate, delete old version, upload new version, activate

🔧 Temporary Workarounds

Web Application Firewall (WAF)

all

Deploy WAF rules to block SQL injection attempts

Plugin Deactivation

linux

Temporarily disable Booking Manager plugin until patched

wp plugin deactivate booking-manager

🧯 If You Can't Patch

Implement strict input validation and parameterized queries
Restrict database user permissions to minimum required

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin > Plugins > Booking Manager version

Check Version:

wp plugin get booking-manager --field=version

Verify Fix Applied:

Confirm Booking Manager plugin version is 2.1.6 or higher

📡 Detection & Monitoring

Log Indicators:

Unusual SQL queries in database logs
Multiple failed login attempts
Suspicious POST requests to booking endpoints

Network Indicators:

SQL syntax in HTTP parameters
Unusual database connection patterns

SIEM Query:

source="web_logs" AND (uri="*wp-content/plugins/booking-manager/*" AND (param="*SELECT*" OR param="*UNION*" OR param="*OR 1=1*"))

📊 Metadata

CVE ID: CVE-2023-50840

CVSS v3 Score: 8.5 (HIGH)

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:L

CWE: CWE-89

Published: December 28, 2023

Last Updated: November 21, 2024

🔗 References

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🔗 Related Vulnerabilities

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