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CVE-2025-6837: Unrestricted Upload in code-projects Library System

Medium
VulnerabilityCVE-2025-6837cvecve-2025-6837
Published: Sun Jun 29 2025 (06/29/2025, 01:00:20 UTC)
Source: CVE Database V5
Vendor/Project: code-projects
Product: Library System

Description

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.

AI-Powered Analysis

AILast updated: 06/29/2025, 01:39:27 UTC

Technical Analysis

CVE-2025-6837 is a vulnerability identified in version 1.0 of the code-projects Library System, specifically involving an unrestricted file upload flaw in the /profile.php endpoint. The vulnerability arises from improper validation or sanitization of the 'image' parameter, which allows an attacker to upload arbitrary files to the server without restriction. This flaw can be exploited remotely without requiring user interaction or prior authentication, as indicated by the CVSS vector (AV:N/AC:L/AT:N/UI:N/PR:L). The vulnerability impacts confidentiality, integrity, and availability to a limited extent, as the attacker can potentially upload malicious files such as web shells or malware, leading to unauthorized code execution or server compromise. However, the attack requires low privileges (PR:L), meaning the attacker must have some level of authenticated access, which limits the ease of exploitation compared to a fully unauthenticated scenario. The CVSS 4.0 base score is 5.3, categorized as medium severity. No public exploits are currently known in the wild, but the exploit details have been disclosed publicly, increasing the risk of future exploitation. The vulnerability does not involve complex conditions or user interaction, making it a straightforward attack vector once access is obtained. The lack of available patches or mitigation links suggests that vendors or administrators need to implement manual controls or updates to address this issue.

Potential Impact

For European organizations using the code-projects Library System 1.0, this vulnerability presents a moderate risk. Successful exploitation could lead to unauthorized file uploads, enabling attackers to deploy web shells or malware, potentially resulting in data breaches, defacement, or disruption of library services. Confidentiality could be compromised if sensitive user data or internal documents are accessed or exfiltrated. Integrity and availability could also be affected if attackers modify or delete content or disrupt service availability. Given that the vulnerability requires some level of authenticated access, the risk is somewhat mitigated by internal access controls; however, insider threats or compromised credentials could facilitate exploitation. Organizations in sectors such as education, public libraries, and research institutions across Europe that rely on this software may face operational disruptions and reputational damage. Additionally, compliance with GDPR mandates protecting personal data, so exploitation leading to data leakage could result in regulatory penalties.

Mitigation Recommendations

To mitigate this vulnerability, European organizations should first verify if they are running code-projects Library System version 1.0 and immediately restrict access to the /profile.php endpoint to trusted users only. Implement strict input validation and sanitization on the 'image' parameter to ensure only legitimate image files are accepted, checking MIME types, file extensions, and file content signatures. Employ server-side controls to restrict upload directories and prevent execution of uploaded files, such as disabling script execution in upload folders. Enforce strong authentication and session management to reduce the risk of credential compromise. Monitor logs for unusual upload activity and conduct regular security audits. If vendor patches become available, prioritize prompt application. As a temporary measure, consider implementing Web Application Firewalls (WAFs) with rules to detect and block suspicious upload attempts targeting this endpoint. Finally, educate users about secure credential handling to reduce insider threat risks.

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Technical Details

Data Version
5.1
Assigner Short Name
VulDB
Date Reserved
2025-06-27T18:35:07.256Z
Cvss Version
4.0
State
PUBLISHED

Threat ID: 686095c96f40f0eb7275a772

Added to database: 6/29/2025, 1:24:25 AM

Last enriched: 6/29/2025, 1:39:27 AM

Last updated: 7/28/2025, 9:57:45 AM

Views: 20

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