CVE-2018-20009 in DomainMod
Summary
by MITRE
DomainMOD 4.11.01 has XSS via the assets/add/ssl-provider.php SSL Provider Name or SSL Provider URL field.
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Analysis
by VulDB Data Team • 04/23/2025
The vulnerability identified as CVE-2018-20009 represents a cross-site scripting flaw within DomainMOD version 4.11.01 that specifically targets the SSL provider management functionality. This issue occurs in the assets/add/ssl-provider.php web page where user input is not properly sanitized before being rendered back to the browser. The vulnerability affects two distinct input fields: SSL Provider Name and SSL Provider URL, both of which can be exploited to inject malicious scripts that execute in the context of other users' browsers.
This vulnerability falls under the CWE-79 category of Cross-Site Scripting, which is classified as a critical security weakness in web applications. The flaw demonstrates a classic improper input validation scenario where the application fails to sanitize user-supplied data before incorporating it into dynamically generated web content. The attack vector leverages the fact that the application does not implement proper output encoding or sanitization mechanisms for the SSL provider name and URL fields, allowing malicious actors to inject script code that gets executed when other users view the affected data.
The operational impact of this vulnerability extends beyond simple data theft or defacement. An attacker could exploit this weakness to execute arbitrary JavaScript code within the context of authenticated users' sessions, potentially leading to session hijacking, privilege escalation, or data exfiltration. The vulnerability affects all users who have access to the SSL provider management functionality, making it particularly dangerous in environments where multiple administrators or users interact with the DomainMOD system. The persistent nature of stored XSS vulnerabilities means that once the malicious payload is injected, it will affect all users who view the affected records until the data is properly cleaned or the vulnerability is patched.
Mitigation strategies for CVE-2018-20009 should focus on implementing proper input validation and output encoding mechanisms throughout the application. The most effective approach involves sanitizing all user-supplied input before storing it in the database and properly encoding output when rendering data back to users. This includes implementing Content Security Policy headers to limit script execution, using proper HTML encoding for dynamic content, and validating input against strict whitelists of allowed characters. Organizations should also consider implementing regular security scanning of their web applications to identify similar vulnerabilities and ensure that all third-party components are kept up to date with the latest security patches. The vulnerability aligns with ATT&CK technique T1059.007 for JavaScript and T1566.001 for credential access through phishing, demonstrating how XSS vulnerabilities can serve as entry points for more sophisticated attacks within the broader threat landscape.