CVE-2025-65589 in nopCommerce
Summary
by MITRE • 12/16/2025
nopCommerce 4.90.0 is vulnerable to Cross Site Scripting (XSS) via the Attributes functionality.
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Analysis
by VulDB Data Team • 12/17/2025
The vulnerability identified as CVE-2025-65589 affects nopCommerce version 4.90.0 and represents a cross site scripting vulnerability within the Attributes functionality of the e-commerce platform. This issue stems from inadequate input validation and output encoding mechanisms that fail to properly sanitize user-supplied data before it is rendered in web pages. The vulnerability exists in the attribute management system where administrators or users can create, modify, or view product attributes that may contain malicious script code.
The technical flaw manifests when user-provided content containing malicious javascript or html tags is accepted through the attributes interface without proper sanitization. When this data is subsequently displayed to other users within the web application, the malicious scripts execute in the context of the victim's browser session. This vulnerability falls under CWE-79 which specifically addresses cross site scripting flaws in web applications. The issue is particularly concerning in the context of nopCommerce since attributes are fundamental components used for product customization and display, making them a prime target for attackers seeking to compromise user sessions or inject malicious content.
The operational impact of this vulnerability extends beyond simple data corruption or display issues. An attacker could leverage this XSS flaw to steal session cookies, perform unauthorized actions on behalf of users, redirect victims to malicious sites, or even escalate privileges within the application. Given that nopCommerce is a widely used open source e-commerce platform, the potential for widespread exploitation increases significantly. The vulnerability affects both administrators and regular users who may interact with product attributes, creating multiple attack vectors. The impact is amplified when considering that product attributes often contain rich text content including descriptions, specifications, and marketing materials that could be manipulated to serve malicious payloads.
Security mitigations for this vulnerability should focus on implementing comprehensive input validation and output encoding mechanisms throughout the attributes functionality. The recommended approach involves sanitizing all user inputs using established libraries such as OWASP Java HTML Sanitizer or similar tools that can effectively filter malicious content while preserving legitimate functionality. Additionally, implementing proper content security policies and ensuring that all output is properly encoded for the context in which it appears will significantly reduce the risk of exploitation. The application should also enforce strict validation rules for attribute names, values, and descriptions, rejecting any input that contains suspicious patterns or characters commonly associated with XSS attacks. Organizations should consider implementing web application firewalls and regular security testing to identify similar vulnerabilities in other parts of their nopCommerce installations.
This vulnerability aligns with several ATT&CK techniques including T1566.001 for initial access through malicious web content and T1059.007 for command and control through script-based payloads. The remediation process should include thorough code review of the attributes module, implementation of automated security testing, and regular security updates to address similar issues that may exist in other components of the platform. Organizations using nopCommerce 4.90.0 should urgently apply patches or implement compensating controls to prevent exploitation of this vulnerability.