CVE-2019-20151 in TreasuryXpress
Summary
by MITRE
An XSS issue was discovered in TreasuryXpress 19191105. Due to the lack of filtering and sanitization of user input, malicious JavaScript can be executed by the application's administrator(s). A malicious payload can be injected within the Multi Approval security component and inserted via the Note field. As a result, the payload is executed by the application's administrator(s).
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Analysis
by VulDB Data Team • 08/21/2020
The vulnerability identified as CVE-2019-20151 represents a critical cross-site scripting flaw within the TreasuryXpress application version 19191105. This security weakness resides in the application's failure to properly validate and sanitize user input, creating an exploitable pathway for malicious actors to inject harmful JavaScript code into the system. The vulnerability specifically affects the Multi Approval security component, which serves as a critical access control mechanism within the treasury management framework. The attack vector is particularly concerning as it leverages the Note field functionality, which is likely intended for legitimate administrative communication and documentation purposes.
The technical implementation of this vulnerability stems from inadequate input validation controls within the application's data processing pipeline. When administrators interact with the Multi Approval component and enter content into the Note field, the system fails to perform proper sanitization of the input data before rendering it within the web interface. This absence of input filtering creates a persistent XSS vulnerability where malicious JavaScript code can be stored and subsequently executed in the context of the administrator's browser session. The vulnerability is classified as a reflected XSS attack pattern according to CWE-79, which specifically addresses improper neutralization of input during web page generation. The flaw allows attackers to bypass standard access controls and potentially escalate their privileges or extract sensitive information from the administrative interface.
The operational impact of this vulnerability is severe and multifaceted, particularly within financial and treasury management environments where administrative privileges are highly sensitive. An attacker who successfully exploits this vulnerability gains the ability to execute arbitrary JavaScript code within the administrative context, potentially leading to complete system compromise. The malicious payload could be designed to steal session cookies, redirect administrators to phishing sites, or even execute commands on the underlying system. Given that the vulnerability targets administrator accounts, the consequences extend beyond simple data theft to include potential financial fraud, unauthorized access to treasury systems, and complete disruption of the organization's treasury management processes. This vulnerability directly aligns with ATT&CK technique T1059.007 for JavaScript execution and represents a critical escalation path for attackers seeking to maintain persistent access within financial systems.
The mitigation strategies for CVE-2019-20151 must address both immediate remediation and long-term architectural improvements to prevent similar vulnerabilities. Organizations should implement comprehensive input validation and output encoding mechanisms, particularly for all user-controllable fields within the Multi Approval component. The application should employ strict sanitization routines that remove or escape potentially malicious content before processing or storing user input. Security patches should be applied immediately to upgrade to a version of TreasuryXpress that addresses this vulnerability, while organizations should also implement Content Security Policy headers to provide additional protection against XSS attacks. Regular security testing including automated scanning and manual penetration testing should be conducted to identify similar input validation weaknesses throughout the application. The vulnerability demonstrates the critical importance of following secure coding practices as outlined in OWASP Top Ten and the need for comprehensive security controls throughout the software development lifecycle. Organizations should also consider implementing web application firewalls and additional monitoring for suspicious administrative activities that might indicate exploitation attempts.