CVE-2000-0106 in EasyCart
Summary
by MITRE
The EasyCart 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-2000-0106 represents a critical security flaw in the EasyCart shopping cart application that enables remote attackers to manipulate sensitive purchase data through manipulation of hidden form fields. This issue stems from inadequate input validation and improper handling of user-supplied data within the web application's purchase processing workflow. The vulnerability manifests when the application relies on hidden form fields to store and transmit sensitive information such as product prices, quantities, or customer details without proper server-side validation or authentication mechanisms. Attackers can exploit this weakness by intercepting the purchase form submission process and modifying the values contained within these hidden fields, potentially leading to unauthorized financial transactions or data manipulation.
The technical exploitation of this vulnerability aligns with CWE-473, which addresses the improper handling of form fields in web applications, and demonstrates a classic case of insecure direct object reference or parameter tampering. The flaw occurs because the application fails to implement proper server-side validation of all parameters received from client-side forms, particularly those that are hidden or not directly visible to end users. This weakness creates an attack surface where malicious actors can bypass normal application controls and directly manipulate the data flow between client and server. The vulnerability exists at the application logic level rather than at the network protocol level, making it particularly challenging to detect through traditional network-based security measures. The hidden form fields serve as a deceptive mechanism that appears secure to users but provides no actual protection against manipulation by attackers who understand the underlying data structure.
The operational impact of CVE-2000-0106 extends beyond simple data modification to encompass potential financial loss, customer data compromise, and reputational damage for affected organizations. Attackers can exploit this vulnerability to increase product prices, alter quantities, or modify customer information during the checkout process, potentially resulting in unauthorized charges or fraudulent transactions. The vulnerability particularly affects e-commerce environments where trust and data integrity are paramount, as it undermines the fundamental security assumptions of online transaction processing. Organizations using EasyCart may face significant financial losses if attackers successfully manipulate purchase orders, and customer confidence in the platform's security could be severely compromised. The impact is further amplified when considering that this vulnerability can be exploited through simple web browser manipulation without requiring advanced technical skills or specialized tools, making it accessible to a wide range of threat actors.
Mitigation strategies for this vulnerability should focus on implementing robust server-side validation and sanitization of all input parameters regardless of their visibility or origin. Organizations should employ proper parameter validation techniques that verify data integrity and ensure that all values received from client forms match expected formats and business logic constraints. The implementation of anti-tampering mechanisms such as cryptographic signatures or checksums for sensitive data fields can help detect unauthorized modifications. Additionally, the application should enforce proper access controls and authentication mechanisms for all transactional operations, ensuring that only authorized users can initiate or modify purchase processes. Security measures should include input validation at multiple layers, including client-side and server-side checks, and the removal or proper handling of hidden form fields that contain sensitive data. Organizations should also consider implementing transaction logging and monitoring systems to detect suspicious activities that may indicate exploitation attempts, aligning with defensive techniques outlined in the attack pattern taxonomy. The remediation process should involve thorough code review and security testing to identify similar vulnerabilities in other application components and ensure comprehensive protection against parameter manipulation attacks.