CVE-2023-41962 in e-Commerce
Summary
by MITRE • 09/27/2023
Cross-site scripting vulnerability in Credit Card Payment Setup page of Welcart e-Commerce versions 2.7 to 2.8.21 allows a remote unauthenticated attacker to inject an arbitrary script in the page.
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Analysis
by VulDB Data Team • 10/19/2023
This cross-site scripting vulnerability exists within the Credit Card Payment Setup page of the Welcart e-Commerce plugin, affecting versions 2.7 through 2.8.21. The flaw represents a classic persistent XSS attack vector that allows remote unauthenticated attackers to inject malicious scripts into the payment configuration interface. The vulnerability stems from inadequate input validation and output sanitization mechanisms within the payment setup page, where user-provided data is not properly escaped before being rendered back to users. This creates an environment where attackers can execute arbitrary JavaScript code within the context of a victim's browser session, potentially compromising the security of legitimate users who access the payment configuration page. The attack surface is particularly concerning given that payment setup pages typically contain sensitive configuration data and may be accessed by administrators with elevated privileges. According to CWE-79, this vulnerability falls under the category of Cross-Site Scripting, specifically representing a failure to sanitize user input before rendering it in web pages. The ATT&CK framework categorizes this as a web application attack vector under the technique of code injection, where attackers leverage the application's trust in user input to execute malicious payloads. The impact of this vulnerability extends beyond simple script execution as it could potentially enable session hijacking, credential theft, or redirection to malicious sites. Attackers could craft malicious payloads that steal administrator session cookies, redirect users to phishing pages, or even modify payment configurations to redirect funds. The unauthenticated nature of this attack means that any user with access to the payment setup page can exploit this vulnerability without requiring prior authentication. This makes the attack surface particularly wide as it could be exploited by anyone who can navigate to the vulnerable page, including customers or unauthorized personnel who might have temporary access to the system. The vulnerability demonstrates a critical flaw in the plugin's security architecture where input validation is insufficient to prevent malicious code injection, indicating a broader lack of defense-in-depth measures. The affected versions span a significant release range, suggesting that this vulnerability has been present for an extended period, potentially exposing numerous installations to risk. Organizations running Welcart e-Commerce within these version ranges should immediately implement mitigations including input sanitization, output encoding, and regular security updates to prevent exploitation. The vulnerability also highlights the importance of proper web application security practices including the implementation of Content Security Policy headers, regular security audits, and comprehensive input validation mechanisms to prevent similar issues from occurring in other components of the e-commerce platform.