CVE-2025-67917: Traveler Authorization Bypass Vulnerability

CVE-2025-67917 Overview

CVE-2025-67917 is a Missing Authorization vulnerability affecting the Traveler WordPress theme by shinetheme. This broken access control flaw allows authenticated attackers to exploit incorrectly configured access control security levels, potentially gaining unauthorized access to sensitive functionality and data within WordPress installations using this popular travel booking theme.

Critical Impact
Authenticated attackers can bypass authorization controls to access restricted functionality, potentially compromising confidentiality and integrity of the WordPress site and its data.

Affected Products

shinetheme Traveler WordPress Theme versions up to and including 3.2.6
WordPress installations using affected Traveler theme versions

Discovery Timeline

2026-01-08 - CVE CVE-2025-67917 published to NVD
2026-01-08 - Last updated in NVD database

Technical Details for CVE-2025-67917

Vulnerability Analysis

This vulnerability is classified as CWE-862 (Missing Authorization), a critical security weakness where the application fails to perform proper authorization checks before granting access to protected resources or functionality. In the context of the Traveler WordPress theme, the vulnerability enables authenticated users to exploit incorrectly configured access control mechanisms.

The attack can be initiated remotely over the network and requires low-privilege authentication to exploit. No user interaction is required for successful exploitation. The vulnerability primarily impacts confidentiality and integrity, allowing unauthorized access to sensitive data and potential modification of protected resources.

Root Cause

The root cause of this vulnerability lies in missing authorization checks within the Traveler theme's access control implementation. The theme fails to properly validate whether authenticated users have the appropriate permissions before allowing access to certain functions or data. This represents a fundamental broken access control issue where security decisions are made based on authentication status alone, without proper authorization verification.

Attack Vector

The attack is network-based and requires the attacker to have a valid authenticated session on the WordPress site. Once authenticated (even with minimal privileges such as a subscriber role), the attacker can access functionality intended for higher-privileged users such as administrators or editors. The exploitation does not require user interaction, making it straightforward to execute once authentication is established.

Attackers can potentially access administrative functions, view sensitive booking data, modify theme settings, or perform other actions that should be restricted to authorized personnel only.

Detection Methods for CVE-2025-67917

Indicators of Compromise

Unusual access patterns from low-privileged user accounts attempting to access administrative endpoints
Unexpected modifications to theme settings or booking data by non-administrator users
Audit logs showing subscriber or customer-level accounts accessing restricted theme functionality
Anomalous API requests to Traveler theme endpoints from authenticated sessions with insufficient privileges

Detection Strategies

Monitor WordPress access logs for requests to Traveler theme administrative endpoints from non-administrator user sessions
Implement web application firewall (WAF) rules to detect authorization bypass attempts targeting WordPress themes
Review user activity logs for privilege escalation patterns where low-privilege users access restricted functionality
Deploy endpoint detection solutions to identify suspicious WordPress theme interactions

Monitoring Recommendations

Enable comprehensive WordPress audit logging to track user actions across all privilege levels
Configure alerts for access control violations or attempts to access restricted theme endpoints
Regularly review user role assignments and remove unnecessary accounts or elevated privileges
Monitor for unexpected changes to theme configuration or booking data

How to Mitigate CVE-2025-67917

Immediate Actions Required

Update the Traveler theme to a patched version when available from shinetheme
Review and restrict user accounts to minimum necessary privileges
Audit existing user roles and remove any accounts that are no longer needed
Implement additional access control measures at the server or WAF level while awaiting a patch

Patch Information

At the time of publication, organizations should monitor the Patchstack Vulnerability Database Entry for patch availability and update instructions from shinetheme. Users are advised to upgrade beyond version 3.2.6 when a fixed version becomes available.

Workarounds

Restrict registration and account creation on WordPress sites using the Traveler theme until patched
Implement server-level access controls to restrict access to sensitive theme endpoints
Use a WordPress security plugin with role-based access control hardening capabilities
Consider temporarily switching to an alternative theme if the Traveler theme is not critical to operations
Enable additional authentication factors for administrative access to limit potential impact

bash

# Configuration example - Restrict access to theme admin endpoints via .htaccess
# Add to WordPress .htaccess file to limit theme admin access
<FilesMatch "traveler-admin\.php$">
    Order deny,allow
    Deny from all
    Allow from 192.168.1.0/24
</FilesMatch>