External risk intelligence

SourceCodester Customer Support System Incorrect Access Control Vulnerability

CVE advisorySeverity: CRITICAL (CVSS 9.4)

CVE-2025-70141

The product is a customer support system designed for handling user inquiries and tickets, which is typically deployed as a public-facing web application to allow customers to submit and manage support requests over the internet.

Missing Authentication

Oretnom23 Customer Support 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

The SourceCodester Customer Support System 1.0 has a critical security flaw allowing unauthenticated remote attackers to access sensitive operations. This could lead to unauthorized modification or deletion of customer data, administrative accounts, and other critical application records.

Unauthenticated access allows unauthorized data manipulation.
Critical systems handling customer information need verification.
Confirm system relevance and exposure to sensitive data.

Attack Path

How an attacker could exploit the issue

An attacker can exploit this vulnerability by sending unauthenticated requests to the `ajax.php` file. This file incorrectly processes administrative actions without verifying the user's identity or permissions. By manipulating the `action` parameter, an attacker can trigger administrative methods to create, modify, or delete critical data, including customer information and user accounts.

No authentication or authorization is enforced.
Unauthenticated requests trigger administrative methods.
Unauthorized data modification and account compromise.

Live Threat

Current exploitation, exposure, and threat context

This vulnerability could allow an unauthenticated attacker to perform sensitive administrative actions on the SourceCodester Customer Support System. When supported by the advisory, this could include creating new customers, deleting users (even the administrator), or modifying and deleting application records like tickets and departments.

Sensitive application data could be altered.
Via network access to a vulnerable endpoint.
Unauthorized data modification or deletion.

Operational Fix

Recommended remediation, mitigation, and detection steps

This vulnerability in the Customer Support System's `ajax.php` affects the application itself, making the application owner and potentially the platform team responsible for remediation. The first step is to identify all instances of the Customer Support System, determine if they are internet-reachable and critical to business operations, and then identify the specific system owner to plan mitigation.

Application owners should lead remediation.
Verify internet-facing exposure and criticality.
Plan for secure updates or vendor coordination.

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 Customer Support System?

This software is a web-based application built with PHP and MySQLi, typically used by organizations to manage incoming user inquiries, support tickets, and departments. It serves as a centralized hub for tracking customer service interactions and records, often deployed to allow clients to interact directly with support staff.

What does this CVE mean in plain English?

This vulnerability is classified as Missing Authentication for Critical Function (CWE-306) and Missing Authorization (CWE-862). In this system, it means the software fails to verify who is making a request before carrying out administrative tasks. Consequently, someone without a login can trick the application into performing actions meant only for authorized administrators.

How can an attacker trigger this vulnerability?

An attacker triggers the bug by sending specifically crafted network requests to the ajax.php file. By manipulating the action parameter within the request, they can execute sensitive administrative functions. Notably, simply viewing the site or browsing public pages does not trigger this; the malicious action requires sending direct, unauthorized requests to the backend dispatch logic.

Is my system relevant to this CVE-2025-70141?

If you host this system, your relevance is high because it is typically deployed as a public-facing web application. Halo Surface Signal notes this product is designed to be internet-reachable to function, meaning it is likely exposed to remote attackers. If your instance is accessible via the internet, you should assume it is within the scope of this threat.

What should I do if I run this software?

Start by identifying all deployed instances of the Customer Support System within your environment. Verify whether these instances are connected to the internet and assess the sensitivity of the data they handle. Once identified, work with the system owner to restrict access, evaluate the feasibility of applying security patches, or consider alternative platforms while coordinating with the vendor.

References

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.