CVE-2024-37499
📋 TL;DR
This path traversal vulnerability in the vCita Online Booking & Scheduling Calendar WordPress plugin allows attackers to access files outside the intended directory. It affects WordPress sites using this plugin, potentially exposing sensitive server files. All versions up to 4.4.2 are vulnerable.
💻 Affected Systems
- Online Booking & Scheduling Calendar for WordPress by vcita
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete server compromise through local file inclusion leading to remote code execution, sensitive data exposure, and website defacement.
Likely Case
Unauthorized access to sensitive server files like configuration files, logs, or user data stored on the server.
If Mitigated
Limited impact with proper file permissions and web server restrictions preventing access to critical system files.
🎯 Exploit Status
Path traversal vulnerabilities are commonly exploited and weaponization is likely given the public disclosure and WordPress plugin popularity.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 4.4.3 or later
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 update is available. 5. Alternatively, download version 4.4.3+ from WordPress repository and manually update.
🔧 Temporary Workarounds
Disable vulnerable plugin
allTemporarily deactivate the plugin until patched
wp plugin deactivate meeting-scheduler-by-vcita
Web server directory restrictions
linuxConfigure web server to restrict directory traversal attempts
# For Apache: Set AllowOverride None in httpd.conf
# For Nginx: Add location blocks to deny traversal patterns
🧯 If You Can't Patch
- Implement web application firewall (WAF) rules to block path traversal patterns
- Restrict file permissions on sensitive directories and implement strict access controls
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel → Plugins → Installed Plugins for 'Online Booking & Scheduling Calendar for WordPress by vcita' version 4.4.2 or earlier.Check Version:
wp plugin get meeting-scheduler-by-vcita --field=versionVerify Fix Applied:
Verify plugin version is 4.4.3 or later in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- HTTP requests containing '../' patterns to plugin endpoints
- Unusual file access attempts in web server logs
Network Indicators:
- HTTP requests with directory traversal sequences to /wp-content/plugins/meeting-scheduler-by-vcita/ paths
SIEM Query:
source="web_server_logs" AND (uri="*../*" AND uri="*meeting-scheduler-by-vcita*")🔗 References
- https://patchstack.com/database/vulnerability/meeting-scheduler-by-vcita/wordpress-online-booking-scheduling-calendar-for-wordpress-plugin-4-4-2-local-file-inclusion-vulnerability?_s_id=cve
- https://patchstack.com/database/vulnerability/meeting-scheduler-by-vcita/wordpress-online-booking-scheduling-calendar-for-wordpress-plugin-4-4-2-local-file-inclusion-vulnerability?_s_id=cve
