CVE-2005-0898 in E-Store Kit-2
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in downloadform.php in E-Store Kit-2 PayPal Edition allows remote attackers to inject arbitrary web script or HTML via the txn_id parameter.
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Analysis
by VulDB Data Team • 07/22/2017
The CVE-2005-0898 vulnerability represents a classic cross-site scripting flaw in the E-Store Kit-2 PayPal Edition software, specifically within the downloadform.php component. This vulnerability resides in the handling of the txn_id parameter, which is used to process transaction identifiers during the download process. The flaw allows remote attackers to inject malicious web scripts or HTML content directly into the application's response, creating a persistent security risk for users interacting with the e-commerce platform. The vulnerability demonstrates poor input validation and output sanitization practices that are fundamental to secure web application development.
The technical execution of this XSS attack occurs when an attacker crafts a malicious URL containing script code within the txn_id parameter value. When the vulnerable downloadform.php script processes this parameter without proper sanitization, it directly incorporates the user-supplied input into the HTML response sent to the victim's browser. This injection allows attackers to execute arbitrary JavaScript code within the context of the victim's session, potentially enabling session hijacking, credential theft, or redirection to malicious sites. The vulnerability classifies as a reflected XSS attack since the malicious payload is reflected back to the user through the application's response without being stored on the server.
The operational impact of CVE-2005-0898 extends beyond simple script injection, as it creates a vector for more sophisticated attacks within the e-commerce environment. An attacker could exploit this vulnerability to steal customer session cookies, redirect users to phishing sites, or inject malicious content that could compromise the integrity of the entire e-commerce platform. The vulnerability particularly affects online retailers using the E-Store Kit-2 PayPal Edition, potentially exposing sensitive transaction data and customer information. This type of vulnerability undermines the trust model of online commerce systems and can lead to significant financial losses through fraud and data breaches.
Organizations should implement comprehensive input validation and output encoding mechanisms to prevent such vulnerabilities from being exploited. The mitigation strategies should include proper parameter sanitization, implementation of Content Security Policies, and regular security testing of web applications. This vulnerability aligns with CWE-79, which specifically addresses cross-site scripting flaws in software applications, and demonstrates the importance of following secure coding practices as outlined in the OWASP Top Ten security risks. Additionally, this vulnerability maps to ATT&CK technique T1566, which covers social engineering through malicious web content, emphasizing the need for robust web application security measures to prevent such attack vectors from compromising user sessions and sensitive data.