CVE-2024-47643 in Include Fussball.de Widgets Plugin
Summary
by MITRE • 10/05/2024
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Alex Include Fussball.de Widgets include-fussball-de-widgets allows Stored XSS.This issue affects Include Fussball.de Widgets: from n/a through <= 4.0.0.
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Analysis
by VulDB Data Team • 04/05/2026
This vulnerability represents a critical cross-site scripting flaw that enables attackers to inject malicious scripts into web pages viewed by other users. The issue exists within the Alex Include Fussball.de Widgets plugin, specifically in the include-fussball-de-widgets component, where input validation and output sanitization mechanisms fail to properly neutralize user-supplied data during web page generation processes. The stored nature of this vulnerability means that malicious payloads persist in the application's database and execute whenever affected pages are loaded, creating a persistent threat vector that can compromise user sessions and exfiltrate sensitive information.
The technical implementation of this flaw stems from inadequate filtering of user input parameters that are subsequently rendered in web page contexts without proper HTML escaping or context-appropriate sanitization. When users interact with the widget functionality, their input data flows directly into HTML output generation without sufficient neutralization measures, creating opportunities for attackers to inject script tags, event handlers, or other malicious code constructs that execute in the browser context of legitimate users. This vulnerability specifically affects versions of the plugin from the initial release through version 4.0.0, indicating a long-standing issue that has not been adequately addressed in the codebase.
The operational impact of this vulnerability extends beyond simple script execution, as it can enable sophisticated attack vectors including session hijacking, credential theft, and redirection to malicious domains. Attackers can craft payloads that exploit the stored XSS to steal cookies, modify page content, or redirect users to phishing sites that appear legitimate. The persistent nature of stored XSS makes this particularly dangerous as the malicious code executes automatically whenever affected pages are accessed, potentially affecting multiple users over extended periods. This vulnerability directly aligns with CWE-79, which defines Cross-Site Scripting as the improper handling of input data that is subsequently rendered in web contexts without proper sanitization.
Mitigation strategies should focus on implementing comprehensive input validation and output encoding mechanisms throughout the application's data flow. The plugin should enforce strict sanitization of all user-supplied content before storage and ensure that any data rendered in HTML contexts undergoes appropriate HTML escaping or context-appropriate encoding. Security patches should include immediate updates to the include-fussball-de-widgets component to address the root cause, with developers implementing proper content security policies and input validation routines that prevent malicious scripts from being stored or executed. Organizations should also consider implementing web application firewalls to detect and block known XSS attack patterns while monitoring for suspicious input patterns that may indicate exploitation attempts. The vulnerability demonstrates the critical importance of maintaining secure coding practices and regular security assessments to prevent persistent threats that can compromise user data and system integrity across multiple sessions.