CVE-2023-6430 : What You Need to Know

This CVE-2023-6430 was published by INCIBE on November 30, 2023. It involves a Cross-site Scripting vulnerability in BigProf products.

Understanding CVE-2023-6430

This section delves into the details of the CVE-2023-6430 vulnerability and its implications.

What is CVE-2023-6430?

The vulnerability found in BigProf Online Invoicing System 2.6 fails to adequately encode user-controlled input, leading to persistent XSS via /inventory/transactions_view.php in the FirstRecord parameter. Exploiting this flaw could permit a malicious user to store harmful JavaScript payloads on the system, which may execute when the page loads.

The Impact of CVE-2023-6430

With a CVSS v3.1 base score of 6.3, categorizing it as of medium severity, this vulnerability has a low impact on confidentiality, integrity, and availability. However, it does not require special privileges for exploitation, with user interaction being necessary.

Technical Details of CVE-2023-6430

This section outlines the technical aspects of CVE-2023-6430, including its description, affected systems, versions, and exploitation mechanism.

Vulnerability Description

The vulnerability arises from insufficient input encoding in BigProf Online Invoicing System 2.6, resulting in persistent XSS through the FirstRecord parameter in /inventory/transactions_view.php.

Affected Systems and Versions

The affected system is the "Online Inventory Manager" by vendor BigProf, particularly version 3.2.

Exploitation Mechanism

Exploiting CVE-2023-6430 involves an attacker leveraging the lack of input validation to insert malicious JavaScript payloads that can execute upon page load.

Mitigation and Prevention

In this section, steps to mitigate the CVE-2023-6430 vulnerability are discussed.

Immediate Steps to Take

Users are advised to update to a patched version, apply security best practices, and sanitize user inputs to mitigate the risk posed by this vulnerability.

Long-Term Security Practices

Establishing secure coding practices, regular security audits, and employee training on secure coding techniques are crucial for long-term security against XSS vulnerabilities.

Patching and Updates

BigProf users should promptly install security patches released by the vendor to address and prevent the exploitation of this XSS vulnerability in their systems.