CVE-2025-7487 in SpringBoot_MyBatisPlus
Summary
by MITRE • 07/12/2025
A vulnerability, which was classified as critical, was found in JoeyBling SpringBoot_MyBatisPlus up to a6a825513bd688f717dbae3a196bc9c9622fea26. This affects the function SysFileController of the file /file/upload. The manipulation of the argument portraitFile leads to unrestricted upload. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. This product takes the approach of rolling releases to provide continious delivery. Therefore, version details for affected and updated releases are not available.
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Analysis
by VulDB Data Team • 07/12/2025
This critical vulnerability exists in the JoeyBling SpringBoot_MyBatisPlus framework where the SysFileController component handles file uploads through the /file/upload endpoint. The flaw specifically resides in the portraitFile parameter processing which fails to properly validate file types and content, creating an unrestricted file upload condition that allows attackers to bypass normal security controls. The vulnerability affects the rolling release versioning model of the product where specific version identifiers are not maintained, making it difficult to determine exact affected versions but indicating a widespread impact across the continuous delivery pipeline. The security flaw represents a direct violation of secure coding principles and can be exploited remotely, meaning attackers do not require physical access to the system to execute malicious payloads.
The technical implementation of this vulnerability stems from inadequate input validation and sanitization within the file upload handler. When the portraitFile parameter is processed, the system fails to enforce proper file type restrictions, file size limits, or content verification mechanisms that would normally prevent execution of malicious files. This weakness creates a pathway for attackers to upload potentially harmful files such as web shells, malicious scripts, or binary executables that can be executed within the application context. The unrestricted nature of the upload allows for arbitrary file placement within the server filesystem, potentially enabling privilege escalation and persistent access to the underlying infrastructure. This vulnerability directly maps to CWE-434 Unrestricted Upload of File and aligns with ATT&CK technique T1195.001 for the use of web shells and T1059.001 for command execution through uploaded files.
The operational impact of this vulnerability is severe and multifaceted, potentially leading to complete system compromise and data exfiltration. Remote exploitation allows attackers to deploy malicious payloads that can establish persistent backdoors, execute arbitrary commands, and gain unauthorized access to sensitive data stored within the application environment. The continuous delivery model of the framework means that this vulnerability could affect multiple active deployments simultaneously, as the rolling release approach does not maintain clear version boundaries for security patching. Organizations using this framework may face immediate threats including unauthorized data access, system availability disruption, and potential lateral movement within network environments. The public disclosure of the exploit increases the risk of widespread exploitation across systems that have not yet implemented mitigations.
Mitigation strategies for this vulnerability must address both immediate remediation and long-term security architecture improvements. The most effective immediate solution involves implementing strict file type validation, content verification, and secure file storage practices within the SysFileController component. This includes enforcing whitelist-based file type restrictions, implementing proper file extension checking, and ensuring uploaded files are stored in non-executable directories. Organizations should also consider implementing additional security controls such as file content scanning, size limitations, and proper access controls for file upload endpoints. The rolling release model of the framework necessitates continuous monitoring and rapid response protocols to address similar vulnerabilities as they are discovered. Security teams should implement regular vulnerability assessments, maintain updated threat intelligence feeds, and establish automated security scanning processes to identify and remediate similar weaknesses in the application codebase. Proper security training for developers working with the framework is also essential to prevent similar issues in future implementations.