External risk intelligence

Best POS Management System SQL Injection Vulnerability

CVE advisorySeverity: CRITICAL (CVSS 9.8)

CVE-2023-27203

The vulnerability exists in a POS management system's billing module accessed via a web directory (/billing/home.php). Such web-based management applications are commonly deployed as internet-facing services to facilitate remote access for business operations, making the vulnerable endpoint reachable from the internet in standard deployments.

SQL Injection

Mayurik Best Pos Management System

1.0

Halo Surface Signal: 4 out of 5 — likely to be public-facing.

External exposure likelihood

Horizon Alert

Summary of the vulnerability and why it matters

A critical vulnerability has been identified in the Best POS Management System software. This issue, specifically a SQL injection flaw in the billing component, could allow unauthorized access and manipulation of system data if the software is exposed to the internet. The primary concern is to determine if this specific system is deployed within our environment and, if so, whether it is accessible externally.

System flaw allows data access and control.
External access to billing data is a key risk.
Confirm relevance and exposure to our systems.

Attack Path

How an attacker could exploit the issue

An attacker can reach the vulnerable component by sending specially crafted requests over the network to the billing section of the management system. The vulnerability lies within the 'id' parameter in the 'home.php' file, which does not properly sanitize user input, allowing for the injection of malicious SQL commands. If successful, this could lead to unauthorized access, modification, or deletion of sensitive data within the system.

Entry: Publicly accessible network.
Trigger: Malicious SQL injection in 'id' parameter.
Risk: Complete loss of data integrity and confidentiality.

Live Threat

Current exploitation, exposure, and threat context

This vulnerability in Best POS Management System's billing component could expose system data. When the `id` parameter in `/billing/home.php` is manipulated, an attacker may be able to inject malicious SQL code, potentially leading to unauthorized access or modification of the system's database.

System and billing data could be affected.
SQL injection through a web parameter.
Unauthorized access or data modification.

Operational Fix

Recommended remediation, mitigation, and detection steps

The identified SQL injection vulnerability in Best POS Management System requires prompt attention, likely falling under the purview of application owners or infrastructure teams responsible for this system. The first practical step involves confirming the system's presence within your environment, assessing its accessibility (especially if internet-facing), and identifying the accountable owner to prioritize remediation efforts.

Application owners should investigate.
Verify system exposure and criticality.
Plan remediation based on risk.

Supplementary metadata

CVSS vector

Validate whether this threat affects your internet-facing exposure.

Halo Threat Intelligence helps prioritize remediation with Halo Surface Signal and H/A/L/O context. Start exposure validation with a free external attack surface trial.

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Frequently asked questions

What is the Best POS Management System?

Best POS Management System is a software application designed for business operations, specifically handling point-of-sale activities. It includes a billing module that manages financial transactions and customer records, which is the specific part of the software affected by this vulnerability.

What does SQL injection mean for CVE-2023-27203?

This vulnerability is classified as CWE-89, or Improper Neutralization of Special Elements used in an SQL Command. In plain terms, the software fails to properly check information entered by a user. An attacker can input malicious database commands into the system, which the application then mistakenly runs, potentially allowing them to view, change, or delete your billing and customer data.

How is this SQL injection vulnerability triggered?

An attacker triggers this flaw by sending a specifically crafted request to the /billing/home.php file on the server. They target the 'id' parameter within that web request to inject their commands. The issue does not occur during standard, legitimate use where only expected numeric or text identifiers are submitted to the system.

Is my system at risk if it is not internet-facing?

Halo Surface Signal indicates that because this is a web-based billing application, it is often deployed with internet-facing access for remote business operations. If your instance is kept on an isolated internal network without internet access, the likelihood of an external attacker reaching the vulnerable billing endpoint is significantly lower compared to a system exposed publicly.

What should I do if I run this software?

Start by identifying all servers running this specific version of the POS system. Once located, verify whether the billing interface is accessible from the internet. Coordinate with your application or infrastructure owners to confirm if the system is in use and prioritize restricting access to the vulnerable /billing/home.php endpoint until you can address the underlying input handling issue.

References

www.sourcecodester.com/php/16127/best-pos-management-system-php.html

Written by Nicholas Merritt

Nicholas Merritt is VP of Security Solutions at Halo Security. With more than 25 years across application security, vulnerability prioritization, and offensive security, he helps teams translate threat data into practical exposure validation and remediation focus. He authors Halo Threat Intelligence CVE advisories using Halo Surface Signal and H/A/L/O context to prioritize internet-facing risk.