CVE-2024-0665 in WP Customer Area Plugin
Summary
by MITRE • 01/24/2024
The WP Customer Area plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'tab' parameter in all versions up to, and including, 8.2.1 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.
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Analysis
by VulDB Data Team • 04/11/2026
The WP Customer Area plugin represents a widely used WordPress solution for managing customer access and content delivery within enterprise environments. This plugin facilitates secure access control for member-only content while providing administrative tools for managing user permissions and customer data. The vulnerability exists within the plugin's handling of user input parameters, specifically affecting versions up to and including 8.2.1. Security researchers identified that the plugin fails to properly sanitize or escape user-supplied data when processing the 'tab' parameter, creating a persistent security gap that could be exploited by malicious actors without requiring authentication credentials.
The technical flaw manifests as a reflected cross-site scripting vulnerability classified under CWE-79, which occurs when user input is directly reflected back into the application's response without proper sanitization. The 'tab' parameter serves as the attack vector where an attacker can inject malicious script code that gets executed when the page loads. This vulnerability operates at the application layer and leverages the trust relationship between the web application and the user's browser. The reflected nature means the malicious script code is not stored on the server but is instead delivered through a crafted URL that, when clicked by an unsuspecting user, executes the injected code in the victim's browser context.
The operational impact of this vulnerability extends beyond simple script execution, as it enables attackers to perform various malicious activities including session hijacking, credential theft, and redirection to malicious websites. An attacker could craft a phishing link that, when clicked, would execute malicious JavaScript in the victim's browser, potentially stealing session cookies or redirecting users to fraudulent sites. This vulnerability is particularly concerning in enterprise environments where the plugin may be used for sensitive customer data management, as it could lead to unauthorized access to confidential information. The lack of authentication requirements makes this attack surface particularly dangerous as it can be exploited by anyone with knowledge of the target website's structure.
Mitigation strategies should prioritize immediate plugin updates to versions that address the reflected XSS vulnerability, as the vendor has likely released patches to resolve the sanitization issues. Organizations should implement additional security measures including web application firewalls that can detect and block malicious input patterns, input validation at multiple layers, and output encoding for all dynamic content. Network administrators should monitor for suspicious traffic patterns and implement security awareness training for users to recognize potentially malicious links. The vulnerability also highlights the importance of following secure coding practices such as those outlined in the OWASP Top Ten and MITRE ATT&CK framework, specifically focusing on preventing injection attacks and implementing proper input validation mechanisms. Organizations should conduct regular security assessments and vulnerability scanning to identify similar issues in other plugins or custom code implementations that may present similar security risks.