CVE-2022-47428
📋 TL;DR
This SQL injection vulnerability in the WpDevArt Booking Calendar plugin for WordPress allows attackers to execute arbitrary SQL commands on the database. It affects all WordPress sites using the Booking Calendar, Appointment Booking System plugin versions up to 3.2.7. Successful exploitation could lead to data theft, modification, or complete database compromise.
💻 Affected Systems
- WpDevArt Booking Calendar, Appointment Booking System WordPress Plugin
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise leading to data theft, data destruction, privilege escalation, and potential full system takeover if database credentials allow file system access.
Likely Case
Unauthorized data access, modification of booking records, extraction of sensitive user information, and potential privilege escalation within the WordPress application.
If Mitigated
Limited impact with proper input validation, parameterized queries, and database user privilege restrictions in place.
🎯 Exploit Status
SQL injection vulnerabilities are commonly exploited and weaponized quickly. The CVSS score of 9.8 indicates high exploitability.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 3.2.8 or later
Vendor Advisory: https://patchstack.com/database/vulnerability/booking-calendar/wordpress-booking-calendar-appointment-booking-system-plugin-3-2-6-sql-injection
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'Booking Calendar, Appointment Booking System'. 4. Click 'Update Now' if available. 5. Alternatively, download version 3.2.8+ from WordPress repository and manually update.
🔧 Temporary Workarounds
Temporary Plugin Deactivation
allDisable the vulnerable plugin until patched
wp plugin deactivate booking-calendar
Web Application Firewall Rules
allImplement WAF rules to block SQL injection patterns targeting the booking plugin endpoints
🧯 If You Can't Patch
- Implement strict input validation and sanitization for all user inputs to the booking system
- Restrict database user permissions to minimum required privileges and implement network segmentation
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for 'Booking Calendar, Appointment Booking System' version 3.2.7 or earlierCheck Version:
wp plugin get booking-calendar --field=versionVerify Fix Applied:
Verify plugin version is 3.2.8 or later in WordPress admin panel📡 Detection & Monitoring
Log Indicators:
- Unusual SQL queries in database logs
- Multiple failed login attempts via booking endpoints
- Unexpected database errors in WordPress logs
Network Indicators:
- SQL injection payloads in HTTP requests to /wp-content/plugins/booking-calendar/ endpoints
- Unusual database connection patterns
SIEM Query:
source="web_logs" AND (uri="*booking-calendar*" AND (request="*UNION*" OR request="*SELECT*" OR request="*INSERT*" OR request="*DELETE*" OR request="*' OR '1'='1*"))🔗 References
- https://patchstack.com/database/vulnerability/booking-calendar/wordpress-booking-calendar-appointment-booking-system-plugin-3-2-6-sql-injection?_s_id=cve
- https://patchstack.com/database/vulnerability/booking-calendar/wordpress-booking-calendar-appointment-booking-system-plugin-3-2-6-sql-injection?_s_id=cve
