CVE-2025-6837 in Library System
Summary
by MITRE • 06/29/2025
A vulnerability classified as critical was found in code-projects Library System 1.0. Affected by this vulnerability is an unknown functionality of the file /profile.php. The manipulation of the argument image leads to unrestricted upload. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.
If you want to get best quality of vulnerability data, you may have to visit VulDB.
Analysis
by VulDB Data Team • 06/29/2025
The vulnerability identified as CVE-2025-6837 represents a critical security flaw within the code-projects Library System version 1.0, specifically affecting the profile management functionality. This issue resides in the /profile.php file where improper input validation allows malicious actors to exploit a critical weakness in the image upload mechanism. The vulnerability stems from insufficient sanitization of user-supplied data, particularly in the image parameter handling, which creates an unrestricted upload condition that can be exploited by remote attackers without requiring any authentication or privileged access.
The technical nature of this vulnerability aligns with CWE-434, which describes insecure file upload mechanisms that allow attackers to upload malicious files to a web application. The flaw enables arbitrary file uploads through the image parameter, potentially permitting attackers to execute malicious code on the target system. This unrestricted upload capability directly violates secure coding practices and represents a fundamental failure in input validation and file type verification. The attack vector is entirely remote, meaning that threat actors can exploit this vulnerability from any location without physical access to the system, making it particularly dangerous for publicly accessible web applications.
The operational impact of CVE-2025-6837 extends beyond simple data compromise, as it provides attackers with potential persistence mechanisms and escalation paths within the affected system. Once an attacker successfully uploads a malicious file, they can potentially gain remote code execution capabilities, leading to full system compromise or data exfiltration. The vulnerability's disclosure status increases the risk profile significantly, as it becomes immediately available to malicious actors who can leverage existing exploits or develop new attack vectors. Organizations running this library system version face substantial risk of unauthorized access, data breaches, and potential service disruption.
Mitigation strategies for this vulnerability should include immediate implementation of proper input validation and file type restrictions on the image upload functionality. The system should enforce strict file extension checks, validate file content through magic number verification, and implement proper file naming conventions to prevent directory traversal attacks. Additionally, the application should implement proper access controls and file permissions to limit the impact of any successful uploads. Security measures should align with ATT&CK framework techniques such as T1190 for exploit development and T1059 for command and scripting interpreter usage. Organizations should also consider implementing web application firewalls, regular security scanning, and comprehensive monitoring to detect and respond to exploitation attempts. The most effective immediate solution involves patching the application to properly validate and sanitize all uploaded files while implementing proper access controls for user profile management functions.