# CVE-2023-5284: SourceCodester Engineers Online Portal upload_save_student.php unrestricted upload

> Attackers can upload malicious files via the student upload feature, potentially leading to remote code execution.

- **Severity:** Medium 6.3 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 29 Sep 2023
- **Updated:** 2 Aug 2024
- **Also known as:** GHSA-qj57-gm77-m65m

## What is CVE-2023-5284?

CVE-2023-5284 is a medium-severity vulnerability in SourceCodester Engineers Online Portal, published on 29 Sep 2023. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

A vulnerability classified as critical has been found in SourceCodester Engineers Online Portal 1.0. Affected is an unknown function of the file upload_save_student.php. The manipulation of the argument uploaded_file leads to unrestricted upload. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-240912.

Weakness: CWE-434 (Unrestricted Upload of File with Dangerous Type)

## Which versions are affected by CVE-2023-5284?

It affects 1 product.


Products: Engineers Online Portal Project Engineers Online Portal.

## How do I fix CVE-2023-5284?

No fix has been published for CVE-2023-5284 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-5284 being exploited?

There is no known exploitation of CVE-2023-5284 in the wild and no public exploit code.

## Other vulnerabilities in SourceCodester Engineers Online Portal

- [CVE-2021-42665](https://insights.sbomify.com/CVE-2021-42665/): SQL injection in n/a (critical 9.8)
- [CVE-2021-42668](https://insights.sbomify.com/CVE-2021-42668/): SQL injection in n/a (critical 9.8)
- [CVE-2021-42669](https://insights.sbomify.com/CVE-2021-42669/): File upload in n/a (critical 9.8)
- [CVE-2021-42670](https://insights.sbomify.com/CVE-2021-42670/): SQL injection in n/a (critical 9.8)
- [CVE-2021-43437](https://insights.sbomify.com/CVE-2021-43437/): Other in n/a (high 8.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-5284 and fix it if it is affected.

What it is: CVE-2023-5284 is a medium-severity vulnerability in SourceCodester Engineers Online Portal, published on 29 Sep 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2023-5284 in the wild and no public exploit code.

Affected product: SourceCodester Engineers Online Portal. 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-2023-5284/ (Markdown: https://insights.sbomify.com/CVE-2023-5284/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-5284
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-5284
- OSV: https://osv.dev/vulnerability/CVE-2023-5284

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-5284/
Summaries are generated and may contain mistakes; the official description above is the record.