# CVE-2023-29721: File upload in n/a

> Attackers can upload malicious files to execute arbitrary commands on the server.

- **Severity:** Critical 9.8 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 24 May 2023
- **Updated:** 31 Jan 2025
- **Also known as:** GHSA-hwrm-fmfj-vh26

## What is CVE-2023-29721?

CVE-2023-29721 is a critical vulnerability in n/a, published on 24 May 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

SofaWiki <= 3.8.9 has a file upload vulnerability that leads to command execution.

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

## Which versions are affected by CVE-2023-29721?

It affects 1 product.


Products: Sofawiki Project Sofawiki.

## How do I fix CVE-2023-29721?

No fix has been published for CVE-2023-29721 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-29721 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-29721 exists.

## Other vulnerabilities in n/a

- [CVE-2023-29720](https://insights.sbomify.com/CVE-2023-29720/): Cross-site scripting in n/a (medium 6.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-29721 and fix it if it is affected.

What it is: CVE-2023-29721 is a critical vulnerability in n/a, published on 24 May 2023. 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-2023-29721 exists.

Affected product: n/a. 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-2023-29721/ (Markdown: https://insights.sbomify.com/CVE-2023-29721/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-29721
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-29721
- OSV: https://osv.dev/vulnerability/CVE-2023-29721

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-29721/
Summaries are generated and may contain mistakes; the official description above is the record.