CVE-2023-32790 in Manager
Summary
by MITRE • 10/25/2023
Cross-Site Scripting (XSS) vulnerability in NXLog Manager 5.6.5633 version. This vulnerability allows an attacker to inject a malicious JavaScript payload into the 'Full Name' field during a user edit, due to improper sanitization of the input parameter.
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Analysis
by VulDB Data Team • 10/25/2023
The vulnerability identified as CVE-2023-32790 represents a critical cross-site scripting flaw within NXLog Manager version 5.6.5633, specifically targeting the user management interface. This issue stems from inadequate input validation and sanitization mechanisms that fail to properly process user-supplied data in the 'Full Name' field during user profile modifications. The vulnerability creates a persistent security risk where authenticated attackers can execute malicious JavaScript code within the context of other users' browsers, potentially leading to unauthorized access, data exfiltration, or session hijacking. The flaw manifests when user input containing script tags or malicious payloads is stored in the database and subsequently rendered without proper HTML encoding or sanitization, allowing the injected code to execute in the victim's browser environment.
The technical exploitation of this vulnerability aligns with CWE-79, which specifically addresses cross-site scripting vulnerabilities resulting from insufficient input validation and output encoding. This weakness falls under the category of stored XSS attacks where malicious scripts are permanently stored on the server and executed when other users view the affected content. The vulnerability is particularly dangerous in enterprise logging environments where NXLog Manager is used for security monitoring and log analysis, as it could be leveraged to compromise the integrity of security events and potentially exfiltrate sensitive operational data. Attackers can craft payloads that persist in the user database and execute whenever administrators or other users view the affected user profiles, creating a persistent threat vector that can evade traditional security controls.
The operational impact of CVE-2023-32790 extends beyond simple script execution, as it represents a significant threat to the confidentiality and integrity of the NXLog Manager environment. Organizations using this logging solution may experience unauthorized access to sensitive security event data, potential privilege escalation, and the ability to manipulate or corrupt log information that is critical for security monitoring and compliance reporting. The vulnerability could be exploited to establish persistent backdoors within the logging infrastructure, allowing attackers to maintain access while evading detection mechanisms that rely on log integrity. Additionally, the compromise of user profiles could lead to the exposure of authentication tokens, session information, or other sensitive data that could be used to escalate privileges or gain access to other systems within the network infrastructure.
Mitigation strategies for CVE-2023-32790 should focus on immediate input sanitization and output encoding measures that align with established security best practices and the ATT&CK framework's defensive recommendations for web application security. Organizations must implement comprehensive input validation that strips or encodes potentially dangerous characters including angle brackets, script tags, and other XSS attack vectors before processing user data. The recommended approach includes deploying proper HTML escaping mechanisms for all user-supplied content rendered in web interfaces, implementing Content Security Policy headers to restrict script execution, and conducting regular security testing of web applications to identify similar vulnerabilities. Additionally, organizations should prioritize upgrading to patched versions of NXLog Manager, as recommended by the vendor, and implement network segmentation to limit the potential impact of successful exploitation while maintaining proper monitoring and alerting for suspicious activities within the logging environment.