CVE-2000-0104 in Shoptron
Summary
by MITRE
The Shoptron shopping cart application allows remote users to modify sensitive purchase information via hidden form fields.
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Analysis
by VulDB Data Team • 04/20/2026
The vulnerability identified as CVE-2000-0104 represents a critical security flaw in the Shoptron shopping cart application that exposes sensitive purchase data to unauthorized remote modification. This issue stems from improper input validation and inadequate server-side processing of form data, creating a pathway for malicious actors to manipulate transaction details without legitimate authorization. The vulnerability specifically targets the application's handling of hidden form fields, which are typically used to maintain state information during web transactions but are not visible to end users.
The technical implementation of this vulnerability involves the manipulation of hidden HTML form fields that contain sensitive purchase information such as product prices, quantities, or customer details. When the Shoptron application processes these form submissions, it fails to properly validate or sanitize the data received from client-side inputs, allowing attackers to modify values that should remain protected. This type of vulnerability falls under the category of insecure direct object references and weak input validation as classified by CWE-284 and CWE-20 respectively, which are fundamental security weaknesses that enable unauthorized data manipulation.
The operational impact of CVE-2000-0104 extends beyond simple data modification to potentially enable financial fraud, revenue loss, and compromise of customer transaction integrity. Attackers can exploit this vulnerability to alter purchase prices, change product quantities, or modify customer information, leading to unauthorized financial transactions and potential legal consequences for the affected organization. The remote nature of this vulnerability means that attackers do not require physical access to the system or insider knowledge to exploit the flaw, making it particularly dangerous in e-commerce environments where transaction integrity is paramount.
Organizations utilizing the Shoptron shopping cart application should implement comprehensive mitigation strategies including input validation on all form fields, server-side verification of transaction data, and implementation of proper access controls. The remediation approach should involve sanitizing all user inputs, implementing proper session management, and ensuring that sensitive transaction data is not exposed through client-side form elements. This vulnerability aligns with ATT&CK technique T1213 which involves data manipulation through web application interfaces, and represents a classic example of how insufficient server-side validation can create persistent security risks in web-based commerce systems. Security measures should also include regular security assessments and code reviews to identify similar vulnerabilities in other application components that may present analogous attack vectors.