CVE-2018-20011 in DomainMod
Summary
by MITRE
DomainMOD 4.11.01 has XSS via the assets/add/category.php Category Name or Stakeholder field.
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Analysis
by VulDB Data Team • 04/22/2025
The vulnerability identified as CVE-2018-20011 represents a cross-site scripting flaw discovered in DomainMOD version 4.11.01 within the assets/add/category.php component. This issue manifests when user-supplied input is improperly handled in the Category Name or Stakeholder fields, creating a persistent security risk for systems utilizing this particular version of the DomainMOD software. The vulnerability falls under the category of insecure input validation and improper output encoding, which are common vectors for XSS attacks in web applications.
The technical exploitation of this vulnerability occurs when an attacker submits malicious script code through the Category Name or Stakeholder input fields during the asset category creation process. When this malformed input is subsequently rendered on the web page without proper sanitization or encoding, the embedded scripts execute within the context of other users' browsers who view the affected page. This type of vulnerability directly maps to CWE-79 which defines Cross-Site Scripting as a weakness where untrusted data is sent to a web browser without proper validation or encoding, allowing attackers to inject client-side scripts into web pages viewed by other users.
The operational impact of this vulnerability extends beyond simple data theft or session hijacking. Attackers could leverage this XSS flaw to perform actions on behalf of authenticated users, potentially gaining access to sensitive domain management data, modifying existing categories, or even escalating privileges within the DomainMOD application. The attack surface is particularly concerning given that DomainMOD is used for managing domain portfolios and related assets, making the compromise of this system potentially devastating for organizations relying on proper domain asset management. This vulnerability aligns with ATT&CK technique T1059.007 which describes the use of script-based attacks to execute malicious code in the victim's browser environment.
Mitigation strategies for CVE-2018-20011 should prioritize immediate patching of the DomainMOD application to version 4.11.02 or later, which contains the necessary fixes for this XSS vulnerability. Organizations should implement comprehensive input validation and output encoding mechanisms throughout the application, particularly for all user-supplied data entering the system. The implementation of Content Security Policy headers can provide additional defense-in-depth measures to prevent script execution even if input validation fails. Security teams should also conduct thorough code reviews focusing on input handling and output encoding practices, particularly in areas where user data is displayed on web pages. Regular security assessments and penetration testing should be performed to identify similar vulnerabilities across the entire application stack, ensuring that similar XSS vulnerabilities are not present in other components of the DomainMOD system or related applications.