CVE-2025-3565 in StudentManager
Summary
by MITRE • 04/14/2025
A vulnerability classified as critical was found in huanfenz/code-projects StudentManager 1.0. This vulnerability affects unknown code of the file /upload/uploadArticle.do of the component Announcement Management Section. The manipulation of the argument File leads to unrestricted upload. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
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Analysis
by VulDB Data Team • 07/12/2026
This critical vulnerability resides within the StudentManager 1.0 application developed by huanfenz/code-projects, specifically targeting the Announcement Management Section's file upload functionality. The flaw exists in the /upload/uploadArticle.do endpoint where improper input validation allows attackers to bypass security restrictions during file upload operations. This unrestricted upload capability represents a fundamental breakdown in the application's defensive mechanisms, creating an avenue for malicious actors to introduce arbitrary files into the system.
The technical exploitation occurs through manipulation of the File argument parameter within the uploadArticle.do servlet, which fails to properly validate or sanitize uploaded file content and types. According to CWE-434, this vulnerability maps directly to unrestricted file upload flaws that enable attackers to execute malicious code by uploading web shells or other harmful payloads. The vulnerability's remote exploitation capability means that an attacker can initiate the attack from any location without requiring physical access to the system, making it particularly dangerous in networked environments where applications are exposed to external traffic.
The operational impact of this vulnerability extends beyond simple unauthorized file uploads, as successful exploitation could lead to complete system compromise through code execution. Attackers could upload malicious scripts that would execute with the privileges of the web application server, potentially enabling them to access sensitive student data, modify system configurations, or establish persistent backdoors for continued unauthorized access. This vulnerability directly aligns with ATT&CK technique T1190 for exploiting vulnerabilities in web applications and T1059 for executing malicious code through uploaded files.
Mitigation strategies should include immediate implementation of strict file type validation and content verification mechanisms within the uploadArticle.do component, enforcing whitelisting of acceptable file extensions and MIME types. The application should implement robust input sanitization and file content analysis to detect potentially malicious payloads before acceptance. Network-level protections such as web application firewalls and proper access controls should be deployed to limit exposure. Additionally, the system should employ secure file storage practices including randomized naming conventions and restricted execution permissions for uploaded files. Regular security auditing and penetration testing of web applications should be conducted to identify similar vulnerabilities in other components. The lack of vendor response to early disclosure highlights the critical need for organizations to implement proactive security measures rather than relying on vendor remediation timelines, particularly when dealing with publicly disclosed exploits that have already been weaponized by threat actors.