CVE-2018-19913 in DomainMod
Summary
by MITRE
DomainMOD through 4.11.01 has XSS via the assets/add/registrar-accounts.php UserName, Reseller ID, or notes field.
If you want to get best quality of vulnerability data, you may have to visit VulDB.
Analysis
by VulDB Data Team • 04/25/2025
The vulnerability CVE-2018-19913 represents a cross-site scripting flaw discovered in DomainMOD versions prior to 4.11.02. This security weakness exists within the assets/add/registrar-accounts.php script where user input is not properly sanitized before being rendered back to the browser. The affected fields include UserName, Reseller ID, and notes parameters, making them potential entry points for malicious actors to inject harmful scripts into the web application. This type of vulnerability falls under CWE-79 which specifically addresses Cross-Site Scripting flaws where untrusted data is improperly incorporated into web pages without proper validation or encoding. The vulnerability demonstrates a classic input validation failure that allows attackers to execute arbitrary JavaScript code in the context of a victim's browser session.
The operational impact of this XSS vulnerability extends beyond simple script execution as it can enable attackers to hijack user sessions, steal sensitive information, manipulate web page content, or redirect users to malicious websites. When an authenticated user visits a page containing the malicious payload or when they interact with the vulnerable registrar accounts section, their browser will execute the injected scripts. This creates a persistent threat vector that can be exploited by attackers who gain access to the application through legitimate user sessions. The vulnerability is particularly concerning in a domain management application context where users may have elevated privileges and access to sensitive domain registration data. Attackers could leverage this flaw to escalate their privileges or gain unauthorized access to critical registrar information, potentially leading to domain hijacking or other malicious activities.
Mitigation strategies for CVE-2018-19913 should focus on implementing proper input sanitization and output encoding mechanisms throughout the application. The recommended approach involves validating all user inputs against a strict whitelist of acceptable characters and encoding any output before rendering it in the browser context. Developers should implement Content Security Policy headers to limit script execution and prevent unauthorized code injection. The fix should include escaping HTML characters in the UserName, Reseller ID, and notes fields to ensure that any potentially malicious script tags are rendered harmless. Additionally, implementing proper session management and input validation at multiple layers of the application architecture can significantly reduce the attack surface. Organizations should also consider implementing automated security scanning tools and regular penetration testing to identify similar vulnerabilities in their web applications, as this flaw aligns with ATT&CK technique T1213 which involves data from information repositories and T1566 which covers credential access through social engineering or exploitation of web application vulnerabilities. Regular security updates and patch management practices are essential to prevent exploitation of such known vulnerabilities in the domain management ecosystem.