CVE-2018-20010 in DomainMod
Summary
by MITRE
DomainMOD 4.11.01 has XSS via the assets/add/ssl-provider-account.php username field.
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Analysis
by VulDB Data Team • 04/23/2025
The vulnerability identified as CVE-2018-20010 represents a cross-site scripting flaw within DomainMOD version 4.11.01, specifically affecting the assets/add/ssl-provider-account.php web page. This issue arises from insufficient input validation and output sanitization mechanisms that fail to properly handle user-supplied data within the username field parameter. The vulnerability classifies under CWE-79 which specifically addresses cross-site scripting attacks where malicious scripts are injected into web applications through user input that is not properly escaped or validated before being rendered to end users.
The technical exploitation of this vulnerability occurs when an attacker submits malicious script code through the username field during the SSL provider account creation process. When the application processes this input without adequate sanitization measures, the malicious payload gets stored and subsequently executed within the browser context of any user who views the affected page or interacts with the stored data. This creates a persistent XSS vector that can be leveraged to hijack user sessions, steal sensitive information, or redirect users to malicious websites. The vulnerability demonstrates poor input validation practices where the application fails to implement proper HTML encoding or sanitization of user-provided content before rendering it within the web interface.
The operational impact of this vulnerability extends beyond simple data theft or session hijacking, as it represents a significant security weakness that can be exploited by attackers to compromise the integrity of the entire DomainMOD application. An attacker could potentially use this vulnerability to escalate privileges, access sensitive configuration data, or manipulate the application's functionality to serve malicious content to other users. The persistent nature of the XSS vulnerability means that once exploited, the malicious code can affect all users who encounter the compromised data, making it particularly dangerous for web applications that handle sensitive domain management information. This vulnerability directly impacts the confidentiality, integrity, and availability of the system as defined by the CIA triad.
Mitigation strategies for CVE-2018-20010 should include immediate implementation of proper input validation and output encoding mechanisms throughout the DomainMOD application. The development team must ensure that all user-supplied data, particularly in fields like username, is properly sanitized and escaped before being stored or rendered in web pages. This involves implementing strict validation rules that reject or sanitize potentially malicious input patterns and applying appropriate HTML encoding to all dynamic content. Organizations should also consider implementing content security policies to add an additional layer of protection against XSS attacks. The fix should align with security best practices outlined in the OWASP Top Ten and should be validated through thorough penetration testing to ensure the vulnerability has been properly remediated. Regular security audits and code reviews should be conducted to prevent similar issues from emerging in future versions of the application.