Sploitus

Exploit for CVE-2026-8181

githubexploit · 2026-08-20

Exploit Code

README105 lines
## https://sploitus.com/exploit?id=8322E547-AFB5-561F-95D8-C504EB54EF91
# 💥 CVE-2026-8181 - Burst Statistics Authentication Bypass
  
  ### Unauthenticated Privilege Escalation via MainWP Authentication Bypass
  
  [![GitHub stars](https://img.shields.io/github/stars/0xTerror/CVE-2026-8181-Burst-Statistics-Auth-Bypass.svg?style=social)](https://github.com/0xTerror/CVE-2026-8181-Burst-Statistics-Auth-Bypass/stargazers)
  [![GitHub forks](https://img.shields.io/github/forks/0xTerror/CVE-2026-8181-Burst-Statistics-Auth-Bypass.svg?style=social)](https://github.com/0xTerror/CVE-2026-8181-Burst-Statistics-Auth-Bypass/network/members)
  [![GitHub license](https://img.shields.io/badge/license-MIT-blue.svg)](LICENSE)
  [![Python](https://img.shields.io/badge/Python-3.8+-blue?style=flat&logo=python)](https://www.python.org/)
  [![WordPress](https://img.shields.io/badge/WordPress-6.x-blue?style=flat&logo=wordpress)](https://wordpress.org/)
  


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## 👨‍💻 Author


  
  
  ### 0xTerror
  **Security Researcher | Exploit Developer | Bug Hunter**
  
  [![GitHub](https://img.shields.io/badge/GitHub-0xTerror-181717?style=for-the-badge&logo=github)](https://github.com/0xterror)
  [![Twitter](https://img.shields.io/badge/Twitter-@0xterror-1DA1F2?style=for-the-badge&logo=twitter)](https://twitter.com/0xterror)
  


---

## 📋 Table of Contents

- [Overview](#-overview)
- [What Makes It Vulnerable](#-what-makes-it-vulnerable)
- [Affected Versions](#-affected-versions)
- [Technical Analysis](#-technical-analysis)
- [Exploitation Steps](#-exploitation-steps)
- [Features](#-features)
- [Installation](#-installation)
- [Usage](#-usage)
- [Example Output](#-example-output)
- [Detection & Mitigation](#-detection--mitigation)
- [Disclaimer](#-disclaimer)
- [License](#-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

| Fact | Details |
|------|---------|
| **CVE ID** | CVE-2026-8181 |
| **CVSS Score** | **9.8 (Critical)** |
| **Vector** | AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| **Plugin** | Burst Statistics (Google Analytics Alternative) |
| **Affected Versions** | 3.4.0 – 3.4.1.1 |
| **Patched Version** | 3.4.2 |
| **Attack Type** | Authentication Bypass / Privilege Escalation |
| **Authentication Required** | ❌ None |
| **User Interaction** | ❌ None |

---

## 🔍 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.

### Technical Breakdown

| Aspect | Details |
|--------|---------|
| **Component** | `is_mainwp_authenticated()` function |
| **File** | `burst-statistics/classes/mainwp/class-burst-mainwp.php` |
| **Vulnerability Type** | CWE-287: Improper Authentication |
| **Attack Vector** | HTTP Request with Authorization Header |
| **Authentication** | ❌ None required |
| **Privilege** | Administrator (full WordPress control) |

### Attack Flow Diagram

```mermaid
flowchart TD
    A["Attacker"] -->|"Authorization: Basic admin:anypassword"| B["Burst Statistics Plugin"]
    B -->|"is_mainwp_authenticated"| C{"Validates Header"}
    C -->|"Incorrect Return Value Handling"| D["Accepts ANY Password"]
    D -->|"Admin Access Granted"| E["Full WordPress Control"]
    
    style A fill:#ff6b6b,color:#fff
    style E fill:#51cf66,color:#fff
    style C fill:#ffd93d,color:#000
    style D fill:#ff6b6b,color:#fff
    style C fill:#ffd93d,color:#000
    style D fill:#ff6b6b,color:#fff
    style A fill:#ff6b6b
    style E fill:#51cf66