CVE-2025-8203 in Large File Upload Control
Summary
by MITRE • 07/26/2025
A vulnerability classified as critical has been found in Jingmen Zeyou Large File Upload Control up to 6.3. Affected is an unknown function of the file /index.jsp. The manipulation of the argument ID leads to sql injection. It is possible to launch the attack 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 • 09/17/2025
This critical vulnerability exists within the Jingmen Zeyou Large File Upload Control software version 6.3 and earlier, representing a significant security risk that allows remote exploitation through SQL injection attacks. The flaw specifically affects an unknown function within the /index.jsp file where the ID parameter is processed without adequate input validation or sanitization. This oversight creates a direct pathway for malicious actors to inject arbitrary SQL commands into the database query execution flow, potentially enabling complete database compromise and unauthorized access to sensitive information.
The technical implementation of this vulnerability stems from improper parameter handling within the application's web interface, where user-supplied ID values are directly incorporated into SQL queries without proper escaping or parameterization techniques. This weakness aligns with CWE-89, which specifically addresses SQL injection vulnerabilities where untrusted data is concatenated into SQL command strings. The attack vector is particularly dangerous as it operates over network protocols, allowing remote exploitation without requiring local system access, making it highly attractive to threat actors seeking to compromise systems from external positions.
The operational impact of this vulnerability extends beyond simple data theft, as successful exploitation could enable attackers to execute arbitrary commands on the database server, modify or delete critical information, and potentially establish persistence mechanisms within the affected environment. This type of attack can result in complete system compromise, data breaches, and unauthorized access to confidential information stored within the database. The fact that the exploit has been publicly disclosed and is actively being used in the wild significantly increases the risk exposure for organizations running vulnerable versions of this software.
Organizations utilizing this software should immediately implement mitigations including applying the latest vendor patches if available, implementing proper input validation and parameterized queries, and deploying web application firewalls to detect and block malicious SQL injection attempts. The lack of vendor response to early disclosure concerns highlights the importance of proactive security measures and alternative mitigation strategies. This vulnerability demonstrates the critical need for regular security assessments, proper code review processes, and adherence to secure coding practices that prevent such fundamental flaws from being introduced into applications, aligning with ATT&CK technique T1190 for exploitation of known vulnerabilities and T1071.004 for application layer protocol usage in command and control communications.