CVE-2025-23950 in EZPlayer Plugin
Summary
by MITRE • 01/16/2025
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Said Shiripour EZPlayer allows Stored XSS.This issue affects EZPlayer: from n/a through 1.0.10.
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Analysis
by VulDB Data Team • 02/10/2025
The vulnerability identified as CVE-2025-23950 represents a critical cross-site scripting flaw within the EZPlayer web application developed by Said Shiripour. This stored cross-site scripting vulnerability occurs during the web page generation process when input data is improperly neutralized, creating a persistent security risk that can affect all users interacting with the application. The vulnerability exists in versions ranging from the initial release through 1.0.10, indicating a long-standing issue that has not been adequately addressed in the product lifecycle.
The technical flaw manifests when user-supplied input data is directly incorporated into web page content without proper sanitization or encoding mechanisms. This allows malicious actors to inject malicious scripts that persist within the application's database or storage systems, making the vulnerability particularly dangerous as it can affect multiple users over time. The stored nature of this XSS vulnerability means that once malicious input is submitted and processed, the script will execute whenever other users view the affected content, creating a continuous attack surface that can be leveraged for various malicious purposes including session hijacking, credential theft, or redirection to malicious sites.
The operational impact of this vulnerability extends beyond simple script execution, as it fundamentally compromises the integrity and security of the entire application environment. Attackers can exploit this flaw to steal user sessions, modify application data, redirect users to phishing sites, or even escalate privileges within the application. The vulnerability aligns with CWE-79 which specifically addresses cross-site scripting flaws, and can be mapped to ATT&CK technique T1531 which involves modifying or manipulating applications to gain unauthorized access. Organizations using EZPlayer in production environments face significant risk of data breaches and unauthorized access to sensitive information, particularly if the application handles user authentication or personal data.
Mitigation strategies should focus on implementing comprehensive input validation and output encoding mechanisms throughout the application's data flow. The most effective remediation involves sanitizing all user inputs before storage and properly encoding all dynamic content before rendering in web pages. Organizations should implement Content Security Policy headers to limit script execution, utilize secure coding practices that prevent direct insertion of user data into HTML contexts, and establish regular security testing procedures including automated scanning and manual penetration testing. Additionally, the application should be updated to the latest version where this vulnerability has been addressed, and administrators should monitor for any signs of exploitation attempts in their system logs.