CVE-2025-5840Public exploitNetwork attack vector

Unauthenticated code execution via unrestricted PHP upload

Published Jun 7, 2025 · Updated Jun 9, 2025

Unrestricted file upload in SourceCodester Client Database Management System 1.0 allows remote attackers to execute PHP code. The user_update_customer_order.php endpoint accepts uploaded_file as a server-executable PHP file without validating its type or requiring authorization. No login is required, and the uploaded script is retrievable from the web-accessible files directory, enabling server control and data access or modification.

CVSS severity6.9
Medium
EPSS probability0.46%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Unrestricted file upload in SourceCodester Client Database Management System 1.0 allows remote attackers to execute PHP code. The user_update_customer_order.php endpoint accepts uploaded_file as a server-executable PHP file without validating its type or requiring authorization. No login is required, and the uploaded script is retrievable from the web-accessible files directory, enabling server control and data access or modification.

The record

CVE
CVE-2025-5840
Published
Jun 7, 2025
Updated
Jun 9, 2025
Vendor
Online Computer and Laptop Store Project
Product
Client Database Management System
Classifications
CWE-434, CWE-284, T1505.003, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jun 7, 2025CVE publishedPublication date reported by the CVE source.
  2. Jun 9, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=1.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Online Computer and Laptop Store Project · Client Database Management Systemversion=1.0

Published CVSS scores

7.3VulDBCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
7.5VulDBAV:N/AC:L/Au:N/C:P/I:P/A:P
6.9VulDBCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-434Unrestricted Upload of File with Dangerous Type
CWE-284Improper Access Control
T1505.003Web Shell
T1190Exploit Public-Facing Application

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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