CVE-2025-1771
📋 TL;DR
This vulnerability in the Traveler WordPress theme allows unauthenticated attackers to include and execute arbitrary PHP files on the server via a Local File Inclusion flaw. All WordPress sites using Traveler theme versions up to 3.1.8 are affected, potentially leading to complete system compromise.
💻 Affected Systems
- Traveler WordPress Theme
📦 What is this software?
Traveler by Shinecommerce
⚠️ Risk & Real-World Impact
Worst Case
Full server compromise with arbitrary code execution, data exfiltration, backdoor installation, and lateral movement within the network.
Likely Case
Website defacement, data theft, malware injection, and unauthorized administrative access to the WordPress site.
If Mitigated
Limited impact if file uploads are restricted and web server runs with minimal privileges, though information disclosure may still occur.
🎯 Exploit Status
Simple HTTP request manipulation required. Public exploit code exists in security advisories.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 3.1.9 or later
Vendor Advisory: https://travelerwp.com/traveler-changelog/
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Appearance > Themes. 3. Check Traveler theme version. 4. If below 3.1.9, update immediately via theme update or manual upload.
🔧 Temporary Workarounds
Disable vulnerable function
allRemove or disable the hotel_alone_load_more_post function in theme files
# Locate and edit the theme file containing the vulnerable function
# Comment out or remove the problematic code section
Web Application Firewall rule
linuxBlock requests containing malicious style parameter patterns
# Example ModSecurity rule: SecRule ARGS:style "@rx \.\./" "id:1001,deny,status:403"
🧯 If You Can't Patch
- Disable or replace the Traveler theme with a secure alternative
- Implement strict file upload restrictions and disable PHP execution in upload directories
🔍 How to Verify
Check if Vulnerable:
Check Traveler theme version in WordPress admin under Appearance > Themes. If version is 3.1.8 or lower, the system is vulnerable.Check Version:
wp theme list --field=name,status,version | grep travelerVerify Fix Applied:
Confirm Traveler theme version is 3.1.9 or higher. Test the vulnerable endpoint with safe LFI payloads to ensure they are blocked.📡 Detection & Monitoring
Log Indicators:
- HTTP requests with 'style' parameter containing path traversal sequences (../)
- Multiple failed attempts to access sensitive system files
- Unusual PHP file inclusions in web server logs
Network Indicators:
- HTTP GET/POST requests to theme AJAX endpoints with malicious style parameters
- Traffic spikes to /wp-content/themes/traveler/ directories
SIEM Query:
source="web_logs" AND (uri_path="*hotel_alone_load_more_post*" AND query_string="*style=*../*")