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CVE 2024 28000

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LiteSpeed Cache Privilege Escalation PoC - CVE-2024-28000

This repository contains a Proof of Concept (PoC) script for exploiting a privilege escalation vulnerability in the LiteSpeed Cache WordPress plugin. The vulnerability, identified as CVE-2024-28000, allows unauthenticated users to gain Administrator-level access to a WordPress site by brute-forcing a weak security hash used in the plugin.

Vulnerability Overview

The LiteSpeed Cache plugin's user simulation feature is protected by a weak security hash generated using predictable values. An attacker can exploit this vulnerability by brute-forcing the security hash and passing it in a cookie along with a targeted user ID. If successful, the attacker can escalate their privileges to that of an Administrator.

Affected Versions

LiteSpeed Cache plugin versions prior to 6.4 are vulnerable.

Author

PoC: Alucard0x1
Telegram: https://t.me/Alucard0x1

Credit

Bug Founder: John Blackbourn
Profile on Patchstack

Disclaimer

This PoC is for educational purposes only. Do not use this script to target systems without explicit permission from the system owner. Unauthorized access to systems is illegal and unethical.

Requirements

Python 3.x
requests library

Installation

Clone the repository and install the required Python package:

git clone https://github.com/Alucard0x1/CVE-2024-28000.git
cd CVE-2024-28000
pip install -r requirements.txt

How to Use

1. Set Up the Target

Edit the TARGET_SITE and ADMIN_USER_ID variables in the script to point to the target WordPress site and the user ID of the Administrator you want to impersonate.

# Target site and admin user ID
target_url = 'http://example.com'

admin_user_id = '1'

2. Trigger Hash Generation

The PoC first triggers the generation of the security hash on the target site using an unauthenticated AJAX request. This step is necessary if the crawler feature in the LiteSpeed Cache plugin has not been used, as the hash might not yet be generated.

3. Run the Brute-force Attack

Run the script to start the brute-force attack:

python litespeed_cache_poc.py

The script will attempt to brute-force the weak security hash by sending requests to the WordPress REST API. If a valid hash is found, it will print the successful hash value, and the exploit will be deemed successful.

4. Interpret the Results

If the script prints [SUCCESS] Valid hash found: <hash>, it means the exploit was successful, and Administrator-level access was gained.
If the script prints [FAIL] Invalid hash: <hash>, the attempt failed, and the hash was incorrect.
If the script prints [ERROR] Unexpected response for hash: <hash>, it indicates that an unexpected status code was returned from the target site.

Mitigations

To protect your WordPress site from this vulnerability, ensure that you are using the latest version of the LiteSpeed Cache plugin. Version 6.4 and above include patches that mitigate this vulnerability.