External risk intelligence

SourceCodester Online Food Ordering System SQL Injection Vulnerability

CVE advisorySeverity: CRITICAL (CVSS 9.8)

CVE-2026-30530

The vulnerability affects an online food ordering system, which is inherently designed as a public-facing web application. These systems are typically deployed to accept orders from the internet, making their web components, such as the identified customer action script, commonly reachable from public networks.

SQL Injection

Oretnom23 Online Food Ordering 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

This advisory details a critical security flaw discovered in an online food ordering system, specifically related to how it handles user input for customer accounts. The vulnerability, a SQL injection flaw, allows attackers to potentially manipulate the underlying database without needing any special access or prior knowledge of the system. The main concern is confirming if this specific system is in use and, if so, understanding its potential exposure.

User data can be compromised by the system.
Online ordering systems are common business tools.
Confirm relevance and potential exposure of this system.

Attack Path

How an attacker could exploit the issue

An attacker can reach the vulnerable part of the SourceCodester Online Food Ordering System through the web, specifically by interacting with the Actions.php file. By providing specially crafted input to the "username" field within the save_customer action, an attacker can trick the application into executing unintended SQL commands, potentially leading to unauthorized access and modification of data.

Unauthenticated access to the web application.
Injecting SQL commands via the username parameter.
Unauthorized data access and modification.

Live Threat

Current exploitation, exposure, and threat context

A SQL Injection vulnerability in the Actions.php file of the SourceCodester Online Food Ordering System could allow an unauthenticated attacker to execute arbitrary SQL commands by supplying malicious input to the username parameter within the save_customer action. This could potentially impact the integrity and confidentiality of the application's database.

Database integrity and confidentiality.
Injecting SQL commands via the username.
Unauthorized access to or modification of data.

Operational Fix

Recommended remediation, mitigation, and detection steps

The SourceCodester Online Food Ordering System's SQL injection vulnerability requires immediate attention from teams responsible for web applications and their underlying infrastructure. The first practical step is to identify all instances of this system, determine their internet reachability and business criticality, and then locate the accountable system owner to plan a risk-based remediation strategy.

Application and infrastructure owners should prioritize triage.
Verify internet-facing instances and critical assets.
Plan remediation based on identified exposure and impact.

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 SourceCodester Online Food Ordering System?

It is a web-based application developed by oretnom23 designed to manage food orders. Businesses use this software to streamline the customer ordering process and handle account-related data. As a web application, it relies on a backend database to store user information and order details, which makes the integrity of its input-handling mechanisms critical to its operation.

What does SQL Injection mean for CVE-2026-30530?

This vulnerability is classified as CWE-89, or Improper Neutralization of Special Elements used in an SQL Command. In plain terms, the application fails to scrub user-provided data before processing it in a database query. Because the 'username' field accepts raw input without validation, an attacker can input database commands instead of a name, tricking the system into executing unauthorized instructions against its own data.

How is this vulnerability triggered in the system?

The flaw is triggered by sending specially crafted input to the 'username' parameter within the 'save_customer' action found in the Actions.php file. The issue occurs specifically during this data entry process. It is important to note that actions not involving this specific parameter or file are not described as entry points for this particular SQL injection path.

Do I need to worry about this if my system is internal?

Halo Surface Signal notes that because this is an online food ordering system, it is often deployed to be internet-facing to accept public orders. While internet-facing instances carry the highest risk due to ease of access, any deployment—internal or external—that processes untrusted user input via the vulnerable 'save_customer' action is susceptible to this SQL injection and requires evaluation.

What should I do if I run this software?

Your first step is to inventory your environment to locate every instance of the Online Food Ordering System. Once identified, determine which instances are accessible over the network and assess the sensitivity of the data they handle. After identifying where the software is running, coordinate with the responsible system owner to prioritize and implement a risk-based remediation plan.

References

github.com/meifukun/Web-Security-PoCs/blob/main/Online-Food-Orde…

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.