CVE-2025-15228 in BPMFlowWebkit
Summary
by MITRE • 12/29/2025
BPMFlowWebkit developed by WELLTEND TECHNOLOGY has a Arbitrary File Upload vulnerability, allowing unauthenticated remote attackers to upload and execute web shell backdoors, thereby enabling arbitrary code execution on the server.
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Analysis
by VulDB Data Team • 12/29/2025
The vulnerability identified as CVE-2025-15228 resides within BPMFlowWebkit, a web application developed by WELLTEND TECHNOLOGY that appears to be a business process management solution. This arbitrary file upload flaw represents a critical security weakness that fundamentally undermines the application's integrity and security posture. The vulnerability stems from inadequate input validation and file type restrictions within the application's file upload functionality, creating an exploitable pathway for malicious actors to bypass security controls and gain unauthorized access to the underlying server infrastructure.
The technical implementation of this vulnerability allows unauthenticated remote attackers to upload malicious files to the target system without requiring any valid credentials or authentication tokens. This flaw specifically affects the web application's file handling mechanisms, where the application fails to properly validate file extensions, content types, or file signatures before processing uploaded content. Attackers can leverage this weakness to upload web shell backdoors that execute arbitrary code on the server, effectively providing them with complete control over the compromised system. The vulnerability's classification aligns with CWE-434 which specifically addresses insecure file upload scenarios where applications accept untrusted files without proper validation mechanisms.
The operational impact of this vulnerability extends far beyond simple unauthorized access, as it enables attackers to establish persistent backdoor access to the compromised server environment. Once an attacker successfully uploads a web shell, they can execute commands, escalate privileges, access sensitive data, and potentially use the compromised system as a launchpad for further attacks within the network infrastructure. This vulnerability creates a significant risk for organizations relying on BPMFlowWebkit for business process automation, as it could lead to data breaches, service disruption, and potential compliance violations. The attack surface is particularly concerning given that no authentication is required, making the vulnerability accessible to any remote attacker with knowledge of the application's endpoint.
Security professionals should consider this vulnerability in the context of the MITRE ATT&CK framework, particularly under the techniques related to initial access and execution phases. The arbitrary file upload represents a common attack vector that maps to techniques such as T1190 (Exploit Public-Facing Application) and T1059 (Command and Scripting Interpreter) where attackers leverage application vulnerabilities to execute malicious code. Organizations should implement immediate mitigations including input validation, file type restriction, and proper access controls to prevent exploitation. The recommended remediation approach involves implementing strict file validation mechanisms, deploying web application firewalls, and conducting thorough security testing to identify and address similar vulnerabilities within the application's codebase. Additionally, organizations should consider network segmentation and monitoring solutions to detect suspicious file upload activities and potential exploitation attempts that may indicate this vulnerability being actively targeted.