# CVE-2025-5840: SourceCodester Client Database Management System user_update_customer_order.php unrestricted upload

> Attackers can upload malicious files via the user_update_customer_order.php script, potentially leading to remote code execution.

- **Severity:** Medium 6.9 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 7 Jun 2025
- **Updated:** 9 Jun 2025
- **Also known as:** GHSA-4p69-rxmq-26c6

## What is CVE-2025-5840?

CVE-2025-5840 is a medium-severity vulnerability in SourceCodester Client Database Management System, published on 7 Jun 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

A vulnerability, which was classified as critical, was found in SourceCodester Client Database Management System 1.0. This affects an unknown part of the file /user_update_customer_order.php. The manipulation of the argument uploaded_file leads to unrestricted upload. It is possible to initiate the attack remotely.

Weakness: CWE-434 (Unrestricted Upload of File with Dangerous Type), CWE-284 (Improper Access Control)

## Which versions are affected by CVE-2025-5840?

It affects 1 product.


Products: Lerouxyxchire Client Database Management System.

## How do I fix CVE-2025-5840?

No fix has been published for CVE-2025-5840 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-5840 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-5840 exists.

Public exploit code:

- CVE-2025-5840 Exploit Written In Python By haxerr9 (github_poc): https://github.com/haxerr9/CVE-2025-5840

## Other vulnerabilities in SourceCodester Client Database Management System

- [CVE-2025-46188](https://insights.sbomify.com/CVE-2025-46188/): SQL injection in n/a (critical 9.8)
- [CVE-2025-46189](https://insights.sbomify.com/CVE-2025-46189/): SQL injection in n/a (critical 9.8)
- [CVE-2025-46190](https://insights.sbomify.com/CVE-2025-46190/): SQL injection in n/a (critical 9.8)
- [CVE-2025-46191](https://insights.sbomify.com/CVE-2025-46191/): File upload in n/a (critical 9.8)
- [CVE-2025-46192](https://insights.sbomify.com/CVE-2025-46192/): SQL injection in n/a (critical 9.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-5840 and fix it if it is affected.

What it is: CVE-2025-5840 is a medium-severity vulnerability in SourceCodester Client Database Management System, published on 7 Jun 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-5840 exists.

Affected product: SourceCodester Client Database Management System. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2025-5840/ (Markdown: https://insights.sbomify.com/CVE-2025-5840/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-5840
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-5840
- OSV: https://osv.dev/vulnerability/CVE-2025-5840

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-5840/
Summaries are generated and may contain mistakes; the official description above is the record.