CVE-2026-24940: Travelfic Toolkit Auth Bypass Flaw

CVE-2026-24940 Overview

A Missing Authorization vulnerability has been identified in the Themefic Travelfic Toolkit WordPress plugin (travelfic-toolkit). This security flaw allows attackers to exploit incorrectly configured access control security levels, potentially enabling unauthorized actions within WordPress sites using the affected plugin.

The vulnerability stems from broken access control mechanisms that fail to properly verify user permissions before executing privileged operations. This type of flaw falls under CWE-862 (Missing Authorization), where the application does not perform authorization checks when accessing resources or performing actions.

Critical Impact

Authenticated attackers with low privileges can bypass access controls to perform unauthorized modifications within WordPress environments using the Travelfic Toolkit plugin.

Affected Products

• Travelfic Toolkit WordPress Plugin version 1.3.3 and earlier
• WordPress sites utilizing the travelfic-toolkit plugin
• Travel and tourism websites built with Themefic Travelfic themes

Discovery Timeline

• 2026-02-03 - CVE-2026-24940 published to NVD
• 2026-02-03 - Last updated in NVD database

Technical Details for CVE-2026-24940

Vulnerability Analysis

This Missing Authorization vulnerability in the Travelfic Toolkit plugin represents a Broken Access Control security flaw. The plugin fails to implement proper authorization checks on certain functionality, allowing authenticated users with minimal privileges to access or modify resources that should be restricted to higher-privilege users such as administrators.

The vulnerability requires network access and low-privilege authentication to exploit. Once authenticated, an attacker can leverage the misconfigured access controls without requiring user interaction. The impact is primarily focused on integrity, as attackers can make unauthorized modifications, though confidentiality and availability remain unaffected based on the vulnerability characteristics.

Root Cause

The root cause of CVE-2026-24940 lies in the absence of proper capability checks within the Travelfic Toolkit plugin code. WordPress plugins are expected to verify user capabilities using functions like current_user_can() before performing privileged operations. When these checks are missing or improperly implemented, any authenticated user can execute actions intended only for administrators or other privileged roles.

This type of vulnerability commonly occurs when developers assume that obscuring functionality (security through obscurity) provides adequate protection, or when AJAX handlers and REST API endpoints lack proper permission callbacks.

Attack Vector

The attack vector for this vulnerability is network-based, requiring an attacker to have authenticated access to the WordPress site with at least subscriber-level privileges. The exploitation process involves:

1. An attacker creates or compromises a low-privilege WordPress account on the target site
2. The attacker identifies vulnerable endpoints or AJAX handlers within the Travelfic Toolkit plugin
3. By directly calling these endpoints without proper authorization checks, the attacker can perform unauthorized actions
4. These actions may include modifying plugin settings, altering travel listings, or manipulating content that should be restricted to administrators

The vulnerability exploitation is straightforward with low attack complexity, requiring no special conditions or user interaction beyond the initial authentication. For detailed technical analysis, refer to the Patchstack Vulnerability Report.

Detection Methods for CVE-2026-24940

Indicators of Compromise

• Unexpected modifications to travel listings, bookings, or plugin configurations by non-administrator users
• Audit logs showing low-privilege users accessing administrative plugin functions
• Unusual AJAX requests to Travelfic Toolkit endpoints from subscriber or contributor accounts
• Changes to plugin settings without corresponding administrator activity

Detection Strategies

• Implement WordPress audit logging to track all plugin-related actions and the user roles performing them
• Monitor AJAX handler calls to the travelfic-toolkit plugin for requests originating from low-privilege accounts
• Review WordPress user activity logs for subscribers or contributors accessing administrative functions
• Deploy web application firewalls (WAF) with rules to detect authorization bypass attempts

Monitoring Recommendations

• Enable comprehensive logging for all WordPress plugin actions, particularly for the Travelfic Toolkit
• Set up alerts for configuration changes made by non-administrator users
• Regularly audit user roles and capabilities to ensure principle of least privilege
• Monitor for unusual patterns in booking or listing modifications

How to Mitigate CVE-2026-24940

Immediate Actions Required

• Update the Travelfic Toolkit plugin to a version newer than 1.3.3 when a patched version becomes available
• Audit current user accounts and remove unnecessary subscriber or contributor access
• Review recent plugin activity logs for signs of exploitation
• Consider temporarily disabling the Travelfic Toolkit plugin if it is not critical to site operations

Patch Information

Organizations using the Travelfic Toolkit WordPress plugin should update to the latest patched version as soon as it becomes available from Themefic. Monitor the Patchstack Vulnerability Report for updates on patch availability.

To update the plugin via WordPress CLI:

wp plugin update travelfic-toolkit

Workarounds

• Restrict user registration on the WordPress site to prevent attackers from obtaining authenticated access
• Implement additional access control layers using security plugins that enforce capability checks
• Use a Web Application Firewall (WAF) to filter malicious requests targeting the plugin
• Limit plugin functionality to only trusted administrator accounts until a patch is applied

# Disable user registration in WordPress wp-config.php
# Add this line to prevent new user signups
define('WP_ALLOW_MULTISITE', false);

# Or disable via WP-CLI
wp option update users_can_register 0