CVE-2026-22383: PawFriends WordPress Auth Bypass Flaw

CVE-2026-22383 Overview

An Authorization Bypass Through User-Controlled Key vulnerability has been identified in the Mikado-Themes PawFriends - Pet Shop and Veterinary WordPress Theme. This Insecure Direct Object Reference (IDOR) vulnerability allows authenticated attackers with low privileges to exploit incorrectly configured access control security levels, potentially accessing or modifying data belonging to other users.

Critical Impact

Authenticated attackers can bypass authorization controls by manipulating user-controlled keys, potentially accessing sensitive data or performing unauthorized actions on behalf of other users.

Affected Products

• PawFriends - Pet Shop and Veterinary WordPress Theme versions through 1.3
• WordPress installations using the vulnerable PawFriends theme
• Pet shop and veterinary websites built on the PawFriends theme

Discovery Timeline

• February 20, 2026 - CVE-2026-22383 published to NVD
• February 25, 2026 - Last updated in NVD database

Technical Details for CVE-2026-22383

Vulnerability Analysis

This vulnerability is classified under CWE-639 (Authorization Bypass Through User-Controlled Key), commonly known as an Insecure Direct Object Reference (IDOR) vulnerability. The PawFriends WordPress theme fails to properly validate user authorization when processing requests that reference objects using user-controllable identifiers.

In a properly secured application, access control checks should verify that the requesting user has authorization to access the specific resource they are requesting. However, the vulnerable PawFriends theme relies on user-supplied parameters to determine which objects to access without adequate authorization verification. This allows an authenticated user to manipulate these parameters and access resources belonging to other users.

Root Cause

The root cause of this vulnerability lies in the improper implementation of access control mechanisms within the PawFriends theme. The application trusts user-supplied input (such as user IDs, object identifiers, or similar parameters) without verifying that the authenticated user has permission to access the referenced resources. This design flaw allows attackers to enumerate or guess valid identifiers and access unauthorized data.

Attack Vector

The attack is network-based and requires low-privilege authentication. An attacker must first obtain a valid user account on the WordPress site using the vulnerable theme. Once authenticated, the attacker can manipulate request parameters (such as modifying ID values in URLs or POST data) to reference objects owned by other users. Because the application does not enforce proper authorization checks, these manipulated requests succeed, granting the attacker unauthorized access.

The vulnerability does not require user interaction beyond the attacker's own actions. Exploitation typically involves intercepting legitimate requests using browser developer tools or a web proxy, modifying object reference parameters, and submitting the altered requests to access or modify data belonging to other users.

Detection Methods for CVE-2026-22383

Indicators of Compromise

• Unusual patterns of sequential or enumerated ID values in server access logs
• Authenticated users accessing resources that do not belong to their account
• Increased error responses (403/404) from users probing for valid object identifiers
• Anomalous data modifications affecting multiple user accounts from a single session

Detection Strategies

• Implement web application firewall (WAF) rules to detect parameter tampering patterns
• Monitor for unusual access patterns where a single authenticated user accesses multiple user-specific resources
• Enable detailed logging of all authentication and authorization events within WordPress
• Review access logs for requests containing sequential or manipulated ID parameters

Monitoring Recommendations

• Configure WordPress security plugins to log and alert on access control violations
• Implement server-side monitoring for requests with manipulated object reference parameters
• Establish baseline user behavior patterns to detect anomalous access attempts
• Enable real-time alerting for multiple failed authorization attempts from the same session

How to Mitigate CVE-2026-22383

Immediate Actions Required

• Update the PawFriends theme to the latest patched version when available from Mikado-Themes
• Conduct a security audit of any custom modifications made to the theme
• Review user access logs for signs of exploitation
• Consider temporarily disabling affected functionality until a patch is applied

Patch Information

A patch for this vulnerability should be obtained from Mikado-Themes. Site administrators should check the Patchstack Vulnerability Advisory for the latest information on available fixes and update the theme to a version higher than 1.3.

Workarounds

• Implement server-level access controls to restrict direct object access without proper authorization verification
• Deploy a Web Application Firewall (WAF) with rules to detect and block IDOR attack patterns
• Restrict user registration and authentication to trusted users until the vulnerability is patched
• Consider implementing additional WordPress security plugins that provide access control monitoring

# WordPress security hardening configuration example
# Add to wp-config.php to limit user enumeration and enhance security logging

# Disable user enumeration via author archives
define('WP_DEBUG_LOG', true);
define('WP_DEBUG_DISPLAY', false);

# In .htaccess, add rules to block author enumeration
# RewriteCond %{QUERY_STRING} ^author=([0-9]*)
# RewriteRule .* - [F]