CVE-2025-47509 in Top 10 Plugin
Summary
by MITRE • 05/07/2025
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Ajay Top 10 allows Stored XSS. This issue affects Top 10: from n/a through 4.1.0.
Be aware that VulDB is the high quality source for vulnerability data.
Analysis
by VulDB Data Team • 05/07/2025
This vulnerability represents a critical cross-site scripting flaw in the Ajay Top 10 web application that enables stored XSS attacks. The vulnerability stems from inadequate input sanitization during web page generation processes, where user-supplied data is not properly neutralized before being rendered in web interfaces. This allows attackers to inject malicious scripts that persist in the application's database and execute whenever affected pages are accessed by other users. The affected version range spans from an unspecified starting point through version 4.1.0, indicating this flaw has existed for multiple releases and represents a long-standing security weakness in the application's input handling mechanisms.
The technical implementation of this vulnerability aligns with CWE-79 which specifically addresses cross-site scripting vulnerabilities where input data is not properly escaped or filtered before being incorporated into web pages. The stored nature of this XSS means that malicious payloads are saved server-side and executed against unsuspecting users who subsequently view the affected content, rather than requiring immediate interaction with a malicious link. This characteristic significantly amplifies the attack surface and potential impact compared to reflected XSS variants. Attackers can leverage this vulnerability to hijack user sessions, steal sensitive information, deface web pages, or redirect users to malicious sites.
The operational impact of this vulnerability extends beyond simple data theft or defacement. When users interact with compromised web pages, attackers can execute arbitrary JavaScript code within the context of the victim's browser session, potentially leading to complete account compromise. The stored XSS nature means that successful exploitation can affect multiple users over extended periods without requiring repeated user interaction. This vulnerability directly maps to several ATT&CK techniques including T1566.001 for initial access through malicious web content and T1059.007 for command and control through script execution. The vulnerability's persistence makes it particularly dangerous for applications handling sensitive user data or administrative functions.
Mitigation strategies should focus on comprehensive input validation and output encoding across all user-facing application components. Implementing proper context-aware escaping mechanisms for HTML, JavaScript, and CSS contexts can prevent script execution. The application should enforce strict sanitization of all user inputs before storage and implement Content Security Policy headers to limit script execution. Regular security updates and patch management are essential since this vulnerability affects multiple versions. Additionally, implementing web application firewalls and monitoring for suspicious input patterns can provide additional defense layers. Organizations should conduct thorough security assessments of all web applications to identify similar input handling flaws that could lead to comparable vulnerabilities.