CVE-2025-4939 in Credit Card Application Management System
Summary
by MITRE • 05/19/2025
A vulnerability classified as problematic was found in PHPGurukul Credit Card Application Management System 1.0. This vulnerability affects unknown code of the file /admin/new-ccapplication.php. The manipulation leads to cross site scripting. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.
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Analysis
by VulDB Data Team • 05/28/2025
The vulnerability identified as CVE-2025-4939 represents a significant security weakness within the PHPGurukul Credit Card Application Management System version 1.0. This system, designed for managing credit card applications, contains a cross site scripting vulnerability that exposes users to potential exploitation. The flaw specifically resides in the /admin/new-ccapplication.php file, indicating that administrative functions related to credit card applications are particularly susceptible to malicious input manipulation. The vulnerability's classification as "problematic" suggests it poses a moderate to high risk to system security and user data integrity.
The technical nature of this vulnerability stems from inadequate input validation and output sanitization within the affected PHP script. When users interact with the credit card application management interface, specifically when creating new credit card applications through the administrative panel, malicious actors can inject crafted script code into input fields. This occurs because the application fails to properly sanitize user-supplied data before processing or displaying it within the web interface. The vulnerability allows attackers to execute arbitrary JavaScript code within the context of other users' browsers, potentially enabling session hijacking, credential theft, or redirection to malicious sites.
The operational impact of this cross site scripting vulnerability extends beyond simple data corruption or display issues. Attackers can leverage this weakness to establish persistent access to the administrative interface, potentially compromising the entire credit card application management system. The remote exploitability means that malicious actors do not require physical access to the system or network to carry out attacks, making the vulnerability particularly dangerous for online applications. The public disclosure of the exploit increases the risk level significantly, as it provides attackers with ready-made tools and techniques to target vulnerable installations. This type of vulnerability directly violates security principles outlined in CWE-79, which addresses cross site scripting flaws in web applications.
Organizations utilizing this system should implement immediate mitigation strategies to protect against exploitation. The most effective approach involves implementing comprehensive input validation and output encoding mechanisms throughout the application, particularly in the affected administrative script. Security measures should include the implementation of Content Security Policy headers, proper HTML escaping of user inputs, and regular security audits of all web application components. Additionally, the system should be updated to the latest version if available, as this vulnerability may have been addressed in subsequent releases. The implementation of web application firewalls and intrusion detection systems can provide additional layers of protection against exploitation attempts.
From an attack framework perspective, this vulnerability aligns with techniques described in the MITRE ATT&CK framework under the 'Command and Control' and 'Initial Access' phases, where attackers establish footholds through web application exploitation. The vulnerability's characteristics match patterns commonly exploited in credential harvesting attacks, making it particularly dangerous for financial applications where sensitive credit card data is processed. Security professionals should monitor network traffic for suspicious patterns and implement proper access controls to limit the potential damage from successful exploitation attempts. The combination of remote exploitability and public disclosure creates an environment where automated attacks may be launched against vulnerable systems, emphasizing the critical need for immediate remediation.