CVE-2022-45730 in Doctor Appointment Management System
Summary
by MITRE • 01/26/2023
A cross-site scripting (XSS) vulnerability in Doctor Appointment Management System v1.0.0 allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the Search function.
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Analysis
by VulDB Data Team • 04/01/2025
The cross-site scripting vulnerability identified as CVE-2022-45730 exists within the Doctor Appointment Management System version 1.0.0, representing a critical security flaw that undermines the application's input validation mechanisms. This vulnerability specifically targets the Search function component of the system, which fails to properly sanitize user-supplied input before processing and rendering it within the web interface. The absence of adequate input filtering and output encoding creates an environment where malicious actors can inject malicious scripts that execute in the context of other users' browsers. This flaw falls under the CWE-79 category of Cross-Site Scripting, which is classified as a fundamental web application security weakness that enables attackers to manipulate the behavior of web applications and compromise user sessions.
The technical exploitation of this vulnerability occurs when an attacker crafts a malicious payload containing script code and submits it through the Search function interface. The system processes this input without proper sanitization, allowing the injected code to be stored and subsequently executed whenever the affected page is rendered to other users. The attack vector is particularly concerning because it leverages a commonly used functionality within web applications, making it more likely to be exploited in real-world scenarios. The vulnerability enables attackers to perform various malicious activities including session hijacking, credential theft, defacement of web pages, and redirection to malicious sites. From an operational perspective, this vulnerability poses significant risks to patient data confidentiality and system integrity, as the injected scripts can access sensitive information or manipulate the appointment management workflows.
The impact of this vulnerability extends beyond simple script execution, as it can facilitate more sophisticated attacks such as credential harvesting through form scraping or session manipulation. Attackers can leverage this weakness to establish persistent access to the system by stealing session cookies or injecting backdoors that maintain access even after the initial exploit is completed. The system's lack of proper content security policies and output encoding mechanisms amplifies the attack surface, making it easier for threat actors to achieve their objectives. This vulnerability also aligns with several tactics described in the MITRE ATT&CK framework under the T1059 category of Command and Scripting Interpreter, where adversaries use web-based scripting to execute malicious commands within the victim environment. Organizations utilizing this system face potential regulatory compliance issues, particularly in healthcare environments where patient data protection is paramount under standards such as HIPAA.
Effective mitigation strategies for this vulnerability include implementing comprehensive input validation and output encoding mechanisms throughout the application's codebase, particularly within the Search function and all user input fields. The system should employ context-specific encoding for different output contexts including HTML, JavaScript, and URL contexts to prevent script injection regardless of where the input appears. Regular security code reviews and automated static analysis should be implemented to identify similar vulnerabilities across the entire application. Additionally, the implementation of Content Security Policies (CSP) can provide an additional layer of protection by restricting the sources from which scripts can be executed. The system should also enforce proper sanitization of all user inputs, including the implementation of allowlists for acceptable characters and patterns. Organizations should conduct regular vulnerability assessments and penetration testing to identify and remediate similar issues before they can be exploited by malicious actors. The remediation process should include comprehensive testing to ensure that the fixes do not introduce new functionality issues while effectively addressing the XSS vulnerability.