Ameeba Security Research

Defensive CVE and exploit intelligence

Ameeba Blog Search
TRENDING · 1 WEEK
Attack Vector
Vendor
Severity

CVE-2023-6266: Unauthenticated Data Access Vulnerability in Backup Migration Plugin for WordPress

Views: 393

Overview

The Backup Migration plugin for WordPress has been identified as vulnerable to unauthorized data access. This vulnerability affects all versions of the plugin up to, and including, 1.3.6. The potential for data leakage and system compromise is a significant concern as back-up files containing sensitive information such as user passwords, PII, database credentials, and more, can be downloaded by unauthenticated attackers.

Vulnerability Summary

CVE ID: CVE-2023-6266
Severity: High (7.5 CVSS)
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: Unauthorized access to data, potential system compromise, and data leakage

Affected Products

Ameeba Chat Icon Share secrets securely

Ameeba is private infrastructure for communication and sensitive work built on encrypted identity instead of exposed corporate identity systems.

Passwords, credentials, confidential files, screenshots, internal discussions, sensitive AI context, and private coordination should not become exposed across ordinary communication platforms.

  • • Encrypted identity
  • • Private Spaces for organizations and teams
  • • End-to-end encrypted chat, calls, files, and notes
  • • Sensitive AI work and protected collaboration
  • • Built for information that cannot leak

Our mission is to secure human work alongside AI.

Product | Affected Versions

Backup Migration Plugin for WordPress | Up to and including 1.3.6

How the Exploit Works

The vulnerability resides in the BMI_BACKUP case of the handle_downloading function, which lacks sufficient path and file validation. This oversight allows attackers to send crafted requests to the server and download back-up files without authentication. The retrieved files can contain sensitive information, providing the attacker with valuable data and possible access to the system.

Conceptual Example Code

An attacker could exploit this vulnerability by sending a malicious HTTP request, as shown conceptually below:

GET /wp-content/plugins/backup-migration/app/backup_restore/dl.php?file=../wp-config.php HTTP/1.1
Host: target.example.com

In this request, the attacker is attempting to download the ‘wp-config.php’ file, which is often found in WordPress installations and contains sensitive database credentials. This file is just an example, and the attacker can attempt to download any file from the server.

Mitigation Guidance

As a mitigation measure, users are advised to apply the vendor patch as soon as it’s available. In the meantime, implementing a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can provide temporary mitigation. Regular monitoring of system logs for any unusual activity is also recommended.

Want to discuss this further? Join the Ameeba Cybersecurity Group Chat.

Disclaimer:

The information and code presented in this article are provided for educational and defensive cybersecurity purposes only. Any conceptual or pseudocode examples are simplified representations intended to raise awareness and promote secure development and system configuration practices.

Do not use this information to attempt unauthorized access or exploit vulnerabilities on systems that you do not own or have explicit permission to test.

Ameeba and its authors do not endorse or condone malicious behavior and are not responsible for misuse of the content. Always follow ethical hacking guidelines, responsible disclosure practices, and local laws.

More posts

Ameeba Chat