External risk intelligence

itsourcecode Online Student Enrollment System SQL Injection in scheduleSubList.php

CVE advisorySeverity: CRITICAL (CVSS 9.8)

CVE-2026-36235

The vulnerability exists in a web application designed for online student enrollment. Such systems are typically deployed as web-accessible platforms to allow users to register or access enrollment information, making them common targets for public internet exposure as web services.

SQL Injection

Itsourcecode Online Student Enrollment 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 security flaw has been identified in the itsourcecode Online Student Enrollment System, specifically within the scheduleSubList.php file. This vulnerability allows attackers to directly manipulate database queries, potentially leading to unauthorized access or modification of sensitive student enrollment data. The main concern at this time is confirming if this specific system and version are in use within our environment.

  • SQL injection flaw in enrollment system software.
  • Critical flaw could expose student data.
  • Confirm relevance and exposure for this system.

Attack Path

How an attacker could exploit the issue

An attacker can exploit this vulnerability by sending a specially crafted request to the `scheduleSubList.php` file. This request targets the `subjcode` parameter, which is directly included in a database query without proper checking. Successful exploitation could allow an attacker to manipulate the database.

  • No authentication required.
  • Triggered by manipulating `subjcode` parameter.
  • Enables database manipulation.

Live Threat

Current exploitation, exposure, and threat context

This vulnerability could allow an unauthenticated attacker to execute arbitrary SQL commands against the enrollment system's database when a user visits a specific page. This could compromise the integrity and confidentiality of student enrollment data.

  • Student enrollment data could be compromised.
  • Via a crafted URL to a vulnerable script.
  • Unauthorized access to sensitive student information.

Operational Fix

Recommended remediation, mitigation, and detection steps

This critical SQL injection vulnerability in the itsourcecode Online Student Enrollment System requires immediate attention from teams managing web applications and their underlying infrastructure. The first practical step is to locate all instances of this system, assess their internet exposure and business criticality, identify the system owner, and then prioritize remediation efforts based on risk.

  • Application owners should prioritize this issue.
  • Verify internet exposure and system criticality.
  • Plan coordinated remediation or mitigation.

Supplementary metadata

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.

Frequently asked questions

What is the itsourcecode Online Student Enrollment System?

It is a web-based software application designed to manage student registration and enrollment data. Organizations use this system as a platform to allow users to interact with enrollment information. Because it functions as a web service, it is typically hosted on servers to enable remote access for students or administrators.

Why is CVE-2026-36235 classified as a SQL injection?

This vulnerability falls under CWE-89, which occurs when software does not properly sanitize user input before including it in a database query. In this case, the application directly takes input from the 'subjcode' parameter and embeds it into a SQL command. This allows an attacker to alter the query's logic to potentially view, change, or delete sensitive data stored in the system database.

How does an attacker trigger this vulnerability?

An attacker triggers the flaw by sending a specifically crafted request to the scheduleSubList.php file. The issue occurs because the application fails to validate the 'subjcode' parameter, allowing malicious SQL commands to be processed. This does not happen through normal software usage; it requires the injection of unauthorized, malformed data into that specific field.

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

Halo Surface Signal indicates this system is typically deployed as a web-accessible platform, which often leads to public internet exposure. While internet-facing instances are at the highest risk because they are reachable by anyone, any system running this software—internal or external—is technically vulnerable to the underlying SQL injection flaw if the code is not updated or protected.

How should I respond to this threat advisory?

Start by identifying all instances of the Online Student Enrollment System v1.0 within your environment. Once you locate the systems, determine who owns them and evaluate their current internet accessibility. Since this is a critical vulnerability, prioritize these systems for remediation or mitigation actions as soon as you have confirmed they are present in your infrastructure.

References