# CVE-2024-0933: Niushop B2B2C Upload.php unrestricted upload

> Attackers can upload malicious files to Niushop B2B2C, 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:** 26 Jan 2024
- **Updated:** 29 May 2025
- **Also known as:** GHSA-59xg-4f7f-395p

## What is CVE-2024-0933?

CVE-2024-0933 is a medium-severity vulnerability in Niushop B2B2C, published on 26 Jan 2024. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

A vulnerability was found in Niushop B2B2C V5 and classified as critical. Affected by this issue is some unknown functionality of the file \app\model\Upload.php. The manipulation leads to unrestricted upload. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-252140. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

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

## Which versions are affected by CVE-2024-0933?

It affects 1 product.


Products: Niushop B2b2c Multi-Business.

## How do I fix CVE-2024-0933?

No fix has been published for CVE-2024-0933 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-0933 being exploited?

There is no known exploitation of CVE-2024-0933 in the wild and no public exploit code.

## Other vulnerabilities in Niushop B2B2C

- [CVE-2024-25247](https://insights.sbomify.com/CVE-2024-25247/): SQL injection in n/a (critical 9.8)
- [CVE-2024-25248](https://insights.sbomify.com/CVE-2024-25248/): SQL injection in n/a (critical 9.8)
- [CVE-2024-28559](https://insights.sbomify.com/CVE-2024-28559/): SQL injection in n/a (high 8.8)
- [CVE-2018-14570](https://insights.sbomify.com/CVE-2018-14570/): File upload in n/a (high 8.8)
- [CVE-2024-28560](https://insights.sbomify.com/CVE-2024-28560/): SQL injection in n/a (medium 5.4)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-0933 and fix it if it is affected.

What it is: CVE-2024-0933 is a medium-severity vulnerability in Niushop B2B2C, published on 26 Jan 2024. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2024-0933 in the wild and no public exploit code.

Affected product: Niushop B2B2C. 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-2024-0933/ (Markdown: https://insights.sbomify.com/CVE-2024-0933/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-0933
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-0933
- OSV: https://osv.dev/vulnerability/CVE-2024-0933

---
From sbomify Insights: https://insights.sbomify.com/CVE-2024-0933/
Summaries are generated and may contain mistakes; the official description above is the record.
