CVE-2026-25365: Kargo Takip Auth Bypass Vulnerability

CVE-2026-25365 Overview

A Missing Authorization vulnerability exists in the Kargo Takip (kargo-takip-turkiye) WordPress plugin developed by Özgür KARALAR. This broken access control flaw allows attackers to exploit incorrectly configured access control security levels, potentially enabling unauthorized modifications to plugin settings and data without proper authentication checks.

Critical Impact
Authenticated attackers with low privileges can bypass authorization controls, potentially modifying sensitive cargo tracking configurations and data integrity within affected WordPress installations.

Affected Products

Kargo Takip WordPress Plugin versions prior to 0.2.4
WordPress installations running vulnerable versions of kargo-takip-turkiye

Discovery Timeline

2026-03-25 - CVE-2026-25365 published to NVD
2026-03-26 - Last updated in NVD database

Technical Details for CVE-2026-25365

Vulnerability Analysis

This vulnerability falls under CWE-862 (Missing Authorization), a classification that indicates the software does not perform authorization checks when an actor attempts to access a resource or perform an action. In the context of the Kargo Takip plugin, the absence of proper capability checks allows authenticated users with minimal privileges to access and modify functionality that should be restricted to administrators or authorized roles only.

The vulnerability requires network access and low-privilege authentication to exploit. While it does not impact data confidentiality or system availability directly, the integrity impact is significant as unauthorized users can manipulate plugin settings, potentially affecting cargo tracking functionality across the WordPress site.

Root Cause

The root cause stems from missing authorization checks within the plugin's request handlers. WordPress plugins must implement proper capability checks using functions like current_user_can() to verify that the authenticated user has appropriate permissions before executing privileged operations. The Kargo Takip plugin failed to implement these necessary authorization gates, allowing any authenticated user to perform actions that should be restricted to administrators.

Attack Vector

The attack vector is network-based and requires the attacker to have a valid low-privilege account on the target WordPress installation (such as a subscriber or contributor role). Once authenticated, the attacker can directly access plugin endpoints or AJAX handlers that lack proper authorization verification. The attack does not require user interaction and can be executed through standard HTTP requests to the vulnerable plugin endpoints.

The exploitation flow typically involves:

Authentication with any valid WordPress user account
Direct requests to plugin-specific admin actions or AJAX handlers
Modification of plugin settings or data without authorization validation
Persistence of unauthorized changes affecting site functionality

Detection Methods for CVE-2026-25365

Indicators of Compromise

Unexpected modifications to Kargo Takip plugin settings by non-administrator users
Audit log entries showing plugin configuration changes from low-privilege accounts
Anomalous AJAX requests to kargo-takip-turkiye handlers from subscriber or contributor roles

Detection Strategies

Monitor WordPress admin action logs for unauthorized plugin setting modifications
Implement web application firewall rules to detect direct access to plugin admin endpoints from non-admin sessions
Review access logs for suspicious patterns targeting /wp-admin/admin-ajax.php with kargo-takip related actions

Monitoring Recommendations

Enable comprehensive WordPress audit logging to track all plugin configuration changes
Set up alerts for any modifications to cargo tracking settings outside normal administrative workflows
Regularly review user activity reports for privilege escalation attempts

How to Mitigate CVE-2026-25365

Immediate Actions Required

Update the Kargo Takip plugin to version 0.2.4 or later immediately
Audit recent plugin configuration changes for any unauthorized modifications
Review WordPress user accounts and remove any unnecessary low-privilege accounts
Consider temporarily disabling the plugin if immediate update is not possible

Patch Information

The vulnerability has been addressed in Kargo Takip version 0.2.4. Site administrators should update through the WordPress plugin dashboard or by downloading the latest version directly. For detailed information about the fix, refer to the Patchstack Vulnerability Report.

Workarounds

Restrict user registration and minimize the number of authenticated user accounts on the WordPress installation
Implement additional access control layers using security plugins that enforce role-based restrictions
Use web application firewall rules to block unauthorized requests to plugin-specific endpoints
Monitor and audit all changes to plugin settings until the patch can be applied

bash

# WordPress CLI command to update the plugin
wp plugin update kargo-takip-turkiye

# Verify current plugin version
wp plugin get kargo-takip-turkiye --field=version

# List users who may have made recent changes (for audit purposes)
wp user list --role=subscriber,contributor,author --fields=ID,user_login,user_email