CVE-2025-53585 in WeMusic Plugin
Summary
by MITRE • 11/06/2025
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in NooTheme WeMusic noo-wemusic allows Reflected XSS.This issue affects WeMusic: from n/a through <= 1.9.1.
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Analysis
by VulDB Data Team • 11/06/2025
The vulnerability identified as CVE-2025-53585 represents a critical cross-site scripting flaw within the NooTheme WeMusic plugin, specifically impacting versions ranging from the initial release through version 1.9.1. This reflected XSS vulnerability arises from inadequate input sanitization during web page generation processes, creating a pathway for malicious actors to inject and execute arbitrary script code within the context of affected user browsers. The vulnerability manifests when the plugin fails to properly neutralize user-supplied input before incorporating it into dynamically generated web content, thereby exposing users to potential exploitation.
The technical implementation of this flaw occurs during the plugin's handling of HTTP request parameters that are directly embedded into HTML output without appropriate encoding or validation. When a user visits a page that processes vulnerable input parameters, the malicious script code becomes part of the web page content and executes in the victim's browser context. This reflected nature means the attack payload is delivered via a malicious URL containing the XSS payload, which is then reflected back to the user through the vulnerable application's response. The vulnerability is classified under CWE-79 as Improper Neutralization of Input During Web Page Generation, which is a fundamental weakness in web application security that enables persistent script injection attacks.
The operational impact of this vulnerability extends beyond simple script execution, as it provides attackers with the capability to hijack user sessions, steal sensitive cookies, redirect users to malicious sites, or perform actions on behalf of authenticated users. Attackers can craft specially designed URLs that, when clicked by victims, execute malicious scripts that can capture login credentials, modify page content, or establish persistent backdoors within the compromised browser environment. The reflected nature of the attack means that the malicious payload is not stored on the server but rather injected into the application's response in real-time, making it particularly challenging to detect and prevent through traditional security measures.
Organizations utilizing the affected WeMusic plugin versions face significant risk exposure, particularly in environments where users have administrative privileges or access to sensitive data. The vulnerability affects the plugin's web page generation functionality, potentially compromising the entire WordPress installation if users with sufficient privileges interact with maliciously crafted URLs. Security professionals should consider this vulnerability as part of the broader ATT&CK framework's TA0001 Initial Access category, specifically targeting T1566 Credential Access through the exploitation of web application vulnerabilities. The attack surface is particularly concerning given that the vulnerability affects a widely used music plugin that may be installed on numerous WordPress sites, creating potential for mass exploitation.
Mitigation strategies should prioritize immediate patching of the affected plugin to version 1.9.2 or later, which contains the necessary fixes for the input sanitization issues. Administrators should implement comprehensive input validation and output encoding mechanisms, ensuring that all user-supplied data is properly escaped before inclusion in HTML content. Additional protective measures include implementing Content Security Policy headers, monitoring for suspicious URL patterns, and conducting regular security assessments of web applications. The vulnerability also underscores the importance of maintaining up-to-date security practices and regularly reviewing plugin and theme security to prevent exploitation of known weaknesses in web applications.