CVE-2025-54127 in haxcms
Summary
by MITRE • 07/22/2025
HAXcms with nodejs backend allows users to start the server in any HAXsite or HAXcms instance. In versions 11.0.6 and below, the NodeJS version of HAX CMS uses an insecure default configuration designed for local development. The default configuration does not perform authorization or authentication checks. If a user were to deploy haxcms-nodejs without modifying the default settings, ‘HAXCMS_DISABLE_JWT_CHECKS‘ would be set to ‘true‘ and their deployment would lack session authentication. This is fixed in version 11.0.7.
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Analysis
by VulDB Data Team • 07/30/2025
The vulnerability described in CVE-2025-54127 affects HAXcms implementations that utilize Node.js as their backend framework, specifically impacting versions 11.0.6 and earlier. This represents a critical security flaw that stems from the software's default configuration design intended for development environments rather than production deployments. The issue manifests when administrators fail to properly configure their HAXcms instances for production use, leaving systems exposed to unauthorized access through default insecure settings. The vulnerability directly impacts the authentication and authorization mechanisms that should protect the content management system from unauthorized users attempting to access or manipulate the platform.
The technical flaw in question revolves around the insecure default configuration that automatically enables the 'HAXCMS_DISABLE_JWT_CHECKS' environment variable set to 'true' in development-oriented deployments. This configuration bypasses all session authentication mechanisms that would normally require users to authenticate before accessing system resources or performing administrative functions. The absence of proper authorization checks creates an unauthenticated access vector that allows any user to interact with the HAXcms server functionality without requiring valid credentials or session tokens. This fundamental failure in access control design violates core security principles and creates a pathway for malicious actors to exploit the system.
The operational impact of this vulnerability is severe and potentially catastrophic for organizations relying on HAXcms for content management. An attacker who gains access to a system running an unpatched version can immediately begin manipulating content, creating or deleting pages, modifying user accounts, and potentially accessing sensitive data stored within the CMS. The lack of session authentication means that all administrative functions become available to any user who can reach the server, effectively eliminating any protection that should exist between legitimate users and system resources. This vulnerability can be exploited remotely, making it particularly dangerous for web-facing applications. According to CWE standards, this vulnerability aligns with CWE-284 which addresses improper access control, and CWE-312 which covers exposure of sensitive data through improper handling of authentication mechanisms.
The mitigation strategy for this vulnerability requires immediate action from system administrators to upgrade to version 11.0.7 or later where the insecure default configuration has been corrected. Organizations must ensure that all HAXcms deployments undergo proper security configuration review before being placed into production environments. The fix implemented in version 11.0.7 addresses the root cause by disabling the automatic enabling of JWT bypass mechanisms and requiring explicit configuration changes to enable such functionality. Security best practices dictate that all development configurations should be reviewed and hardened before production deployment, particularly for authentication and authorization settings. This vulnerability also highlights the importance of following the principle of least privilege and ensuring that default configurations do not provide unnecessary access to system functionality.
From an ATT&CK framework perspective, this vulnerability maps to multiple techniques including T1078 which covers valid accounts and T1496 which addresses resource hijacking through unauthorized access to systems. The vulnerability enables adversaries to move laterally within networks by exploiting the lack of authentication controls that should normally protect access to content management systems. Security teams should implement monitoring for unusual access patterns to CMS endpoints and ensure that all server configurations are reviewed against security baselines. The remediation process should include comprehensive security auditing of all deployed instances to verify that the default insecure settings have been properly addressed and that appropriate authentication mechanisms are in place to prevent unauthorized access to system resources.