CVE-2024-44013
📋 TL;DR
This CVE describes a path traversal vulnerability in the VR Calendar WordPress plugin that allows attackers to include local PHP files via improper pathname restrictions. It affects all versions up to 2.4.0, potentially enabling unauthorized file access or code execution on vulnerable WordPress sites.
💻 Affected Systems
- VR 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
Full server compromise via remote code execution, leading to data theft, site defacement, or malware deployment.
Likely Case
Sensitive file disclosure (e.g., configuration files) or limited code execution within the web server context.
If Mitigated
No impact if the plugin is patched or removed, or if web server permissions restrict file access.
🎯 Exploit Status
Exploitation is straightforward via crafted HTTP requests, as indicated by public references.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.4.1 or later
Vendor Advisory: https://patchstack.com/database/vulnerability/vr-calendar-sync/wordpress-vr-calendar-plugin-2-4-0-local-file-inclusion-vulnerability?_s_id=cve
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find VR Calendar and update to version 2.4.1 or later. 4. Verify the update completes successfully.
🔧 Temporary Workarounds
Disable VR Calendar plugin
allTemporarily deactivate the plugin to prevent exploitation until patching is possible.
wp plugin deactivate vr-calendar-sync
Restrict file access via web server
linuxConfigure web server (e.g., Apache, Nginx) to block requests attempting path traversal patterns.
# Example for Apache: add 'RewriteRule .*\.\./.* - [F]' to .htaccess
🧯 If You Can't Patch
- Remove the VR Calendar plugin entirely from the WordPress installation.
- Implement a web application firewall (WAF) to block path traversal attempts.
🔍 How to Verify
Check if Vulnerable:
Check the plugin version in WordPress admin under Plugins > Installed Plugins; if VR Calendar is version 2.4.0 or earlier, it is vulnerable.Check Version:
wp plugin get vr-calendar-sync --field=versionVerify Fix Applied:
After updating, confirm the plugin version is 2.4.1 or later in the WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- HTTP requests with patterns like '../' or '..\' in URLs targeting the VR Calendar plugin.
Network Indicators:
- Unusual file inclusion attempts to PHP files via the plugin's endpoints.
SIEM Query:
source="web_logs" AND (url="*../*" OR url="*..\\*") AND plugin="vr-calendar"