| **Authentication Required

---

👨‍💻 Author

---

📋 Table of Contents

• Overview
• What Makes It Vulnerable
• Affected Versions
• Technical Analysis
• Exploitation Steps
• Features
• Installation
• Usage
• Example Output
• Detection & Mitigation
• Disclaimer
• License

---

📋 Overview

CVE-2026-8181 is a critical Authentication Bypass vulnerability in the Burst Statistics WordPress plugin (versions 3.4.0 - 3.4.1.1). This flaw allows an unauthenticated attacker to impersonate any administrator by exploiting incorrect return-value handling in the is_mainwp_authenticated() function when validating application passwords from the Authorization header.

⚡ Quick Facts

---

🔍 What Makes It Vulnerable

Root Cause Analysis

The vulnerability exists in the is_mainwp_authenticated() function of the Burst Statistics plugin. The flaw is triggered by:

1. Incorrect Return-Value Handling: The function fails to properly validate the authentication result.
2. Authorization Header Processing: The plugin attempts to validate application passwords from the Authorization header.
3. Logic Flaw: Any random password supplied with a valid administrator username will be

💥 CVE-2026-8181 - Burst Statistics Authentication Bypass

Unauthenticated Privilege Escalation via MainWP Authentication Bypass

---

👨‍💻 Author

---

📋 Table of Contents

• Overview
• What Makes It Vulnerable
• Affected Versions
• Technical Analysis
• Exploitation Steps
• Features
• Installation
• Usage
• Example Output
• Detection & Mitigation
• Disclaimer
• License

---

📋 Overview

CVE-2026-8181 is a critical Authentication Bypass vulnerability in the Burst Statistics WordPress plugin (versions 3.4.0 - 3.4.1.1). This flaw allows an unauthenticated attacker to impersonate any administrator by exploiting incorrect return-value handling in the is_mainwp_authenticated() function when validating application passwords from the Authorization header.

⚡ Quick Facts

---

🔍 What Makes It Vulnerable

Root Cause Analysis

The vulnerability exists in the is_mainwp_authenticated() function of the Burst Statistics plugin. The flaw is triggered by:

1. Incorrect Return-Value Handling: The function fails to properly validate the authentication result.
2. Authorization Header Processing: The plugin attempts to validate application passwords from the Authorization header.
3. Logic Flaw: Any random password supplied with a valid administrator username will be accepted.

Attack Flow