CVE-2000-0108 in Intellivend
Summary
by MITRE
The Intellivend 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-2000-0108 represents a critical security flaw in the Intellivend shopping cart application that exposes sensitive purchase information to unauthorized remote modification. This vulnerability stems from the application's improper handling of form fields, specifically allowing attackers to manipulate hidden input elements that should remain protected from user intervention. The flaw enables malicious actors to alter critical transaction data including product prices, quantities, and customer information without proper authentication or authorization.
This vulnerability falls under the category of input validation and parameter manipulation, aligning with CWE-20, which encompasses weak input validation in web applications. The technical implementation flaw occurs when the shopping cart application fails to properly validate or sanitize form parameters received from client-side requests. Hidden form fields that contain sensitive purchase data are not adequately protected, allowing attackers to modify these values directly through HTTP request manipulation. The vulnerability exploits the trust model where the application assumes all input parameters are legitimate and unaltered by users.
The operational impact of this vulnerability is severe and multifaceted, affecting both financial integrity and customer data security. Attackers can manipulate transaction values to create fraudulent orders, potentially resulting in significant financial losses for merchants and unauthorized access to customer purchase histories. The vulnerability also enables privilege escalation attacks where users can modify their own or others' orders, undermining the application's core security mechanisms. From an attacker perspective, this represents a low-effort, high-impact vector that requires minimal technical expertise to exploit, making it particularly dangerous in environments where the application handles sensitive financial transactions.
The vulnerability aligns with several ATT&CK tactics including TA0001 (Initial Access) and TA0002 (Execution) through the exploitation of web application weaknesses. It also relates to TA0003 (Persistence) and TA0004 (Privilege Escalation) when attackers use the modified data to gain unauthorized access to additional system resources. Organizations implementing the Intellivend shopping cart application face potential compliance violations under payment card industry data security standards (PCI DSS) due to the exposure of sensitive transaction data. The vulnerability creates a pathway for data exfiltration and financial fraud that could result in regulatory penalties and loss of customer trust.
Mitigation strategies should focus on implementing robust input validation and parameter sanitization mechanisms within the application. The solution requires proper server-side validation of all form parameters, particularly those that should remain unchanged during transaction processing. Organizations should implement proper session management and authentication controls to ensure that only authorized users can modify purchase information. The implementation of cryptographic checksums or digital signatures for sensitive data fields would prevent unauthorized modifications. Additionally, regular security testing including penetration testing and code reviews should be conducted to identify similar vulnerabilities in web applications. The application should also implement proper access controls and audit logging to detect and prevent unauthorized modifications to purchase transactions.