CVE-2020-23447 in newbee-mall
Summary
by MITRE • 01/26/2021
newbee-mall 1.0 is affected by cross-site scripting in shop-cart/settle. Users only need to write xss payload in their address information when buying goods, which is triggered when viewing the "View Recipient Information" of this order in "Order Management Office".
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Analysis
by VulDB Data Team • 02/19/2021
The vulnerability identified as CVE-2020-23447 affects newbee-mall version 1.0 and represents a cross-site scripting flaw in the shop-cart/settle functionality. This security weakness allows authenticated users to inject malicious scripts into address information during the purchasing process, creating a persistent XSS vector that can be triggered when administrators view recipient details within the order management office interface. The vulnerability specifically manifests when users input malicious payloads into their shipping address fields, which then execute in the context of other users who access the order management system. The attack requires minimal user interaction as the payload is automatically executed when viewing order recipient information, making it particularly dangerous for administrative users who frequently access order details. This type of vulnerability falls under CWE-79 which categorizes cross-site scripting as a critical web application security flaw that enables attackers to execute scripts in the victim's browser context. The vulnerability demonstrates a classic lack of proper input sanitization and output encoding in the application's data handling processes, particularly in the order management and cart settlement components. The impact extends beyond simple script execution as it can potentially allow attackers to steal session cookies, perform unauthorized actions on behalf of users, or redirect victims to malicious sites. When combined with the administrative access patterns typical of order management systems, this vulnerability can provide attackers with significant privileges within the application's operational environment.
The technical exploitation of this vulnerability occurs through the injection of malicious JavaScript code into address fields during checkout processes, where the application fails to properly validate or sanitize user input before storing and subsequently displaying it in administrative interfaces. The flaw exists in the data flow between user input collection and administrative display mechanisms, specifically within the order management office module where recipient information is rendered. Attackers can craft payloads that leverage the browser's trust in the application's own domain to execute malicious code, potentially bypassing standard security measures such as content security policies if they are not properly implemented. The vulnerability's trigger mechanism is particularly concerning as it requires no additional user interaction beyond the initial injection, making it a persistent threat that can affect multiple administrators over time. This attack vector aligns with ATT&CK technique T1566 which covers social engineering methods including the use of malicious content to compromise systems. The vulnerability demonstrates poor input validation practices that violate secure coding principles and can be classified as a server-side XSS vulnerability when the malicious code is executed in the context of the web application server. The application's failure to implement proper context-aware output encoding means that user-supplied data is directly rendered into HTML contexts without appropriate sanitization, creating an exploitable path for attackers to manipulate the application's behavior.
The operational impact of CVE-2020-23447 extends significantly beyond traditional script execution attacks, as it can enable attackers to escalate privileges and access sensitive administrative functions within the newbee-mall application. When administrators view orders containing malicious payloads, their browsers execute the injected scripts, potentially allowing attackers to capture session tokens, redirect users to phishing sites, or modify order details. The vulnerability creates a persistent threat vector that can compromise multiple users over time, particularly since the injected code executes automatically when viewing recipient information. This type of vulnerability can facilitate account takeover attacks, data exfiltration, and potentially lead to full system compromise if the application's administrative functions are not properly isolated. The attack surface is further expanded by the fact that order management interfaces often contain sensitive business data, customer information, and transaction details that could be accessed or modified by attackers who successfully exploit this vulnerability. The vulnerability's potential for lateral movement within the application environment makes it particularly dangerous for organizations that rely on centralized order management systems. Organizations may experience reputational damage from successful exploitation attempts, as well as potential regulatory compliance issues if customer data is compromised through this vector. The vulnerability's persistence means that even if administrators are aware of the issue, the malicious payloads can continue to execute until the underlying input validation is properly addressed.
Mitigation strategies for CVE-2020-23447 must focus on implementing robust input validation and output encoding mechanisms throughout the application's data handling processes. The primary defense involves sanitizing all user inputs, particularly those that are directly rendered in administrative interfaces, using context-appropriate encoding techniques such as HTML entity encoding for display contexts. Implementing proper content security policies can provide additional protection against script execution, while input validation should occur at multiple levels including client-side and server-side validation. The application should employ proper output encoding when rendering user-supplied data in HTML contexts, ensuring that special characters are properly escaped to prevent script interpretation. Regular security testing including dynamic and static analysis should be conducted to identify similar vulnerabilities in other parts of the application. Organizations should implement proper access controls and monitoring for administrative interfaces to detect unauthorized access attempts. The fix should include comprehensive logging of address information changes and regular security audits of user input handling mechanisms. Additionally, implementing a web application firewall can provide an additional layer of protection against XSS attacks. The vulnerability highlights the importance of following secure coding practices and adhering to OWASP Top Ten security guidelines, particularly those related to input validation and output encoding. Regular security updates and patch management processes should be established to address similar vulnerabilities in third-party components and dependencies. Organizations should also consider implementing automated security scanning tools as part of their development lifecycle to identify potential XSS vulnerabilities before they can be exploited in production environments.