# CVE-2023-47271: File upload in n/a

> Attackers can upload malicious files disguised as images via the native import/export plugin, potentially leading to code execution or system compromise.

- **Severity:** Medium 5.3 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 5 Nov 2023
- **Updated:** 26 Nov 2024
- **Also known as:** GHSA-8f7j-g5xp-rc4p

## What is CVE-2023-47271?

CVE-2023-47271 is a medium-severity vulnerability in n/a, published on 5 Nov 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

PKP-WAL (aka PKP Web Application Library or pkp-lib) before 3.3.0-16, as used in Open Journal Systems (OJS) and other products, does not verify that the file named in an XML document (used for the native import/export plugin) is an image file, before trying to use it for an issue cover image.

## Which versions are affected by CVE-2023-47271?

It affects 1 product.


Products: Sfu Pkp Web Application Library.

## How do I fix CVE-2023-47271?

No fix has been published for CVE-2023-47271 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-47271 being exploited?

There is no known exploitation of CVE-2023-47271 in the wild and no public exploit code.

## Other vulnerabilities in n/a

- [CVE-2023-5891](https://insights.sbomify.com/CVE-2023-5891/): Cross-site Scripting (XSS) - Reflected in pkp/pkp-lib (medium 5.4)
- [CVE-2023-5892](https://insights.sbomify.com/CVE-2023-5892/): Cross-site Scripting (XSS) - Stored in pkp/pkp-lib (medium 5.4)
- [CVE-2023-5890](https://insights.sbomify.com/CVE-2023-5890/): Cross-site Scripting (XSS) - Stored in pkp/pkp-lib (medium 4.6)
- [CVE-2023-5902](https://insights.sbomify.com/CVE-2023-5902/): Cross-Site Request Forgery (CSRF) in pkp/pkp-lib (medium 4.3)
- [CVE-2023-5893](https://insights.sbomify.com/CVE-2023-5893/): Cross-Site Request Forgery (CSRF) in pkp/pkp-lib (low 3.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-47271 and fix it if it is affected.

What it is: CVE-2023-47271 is a medium-severity vulnerability in n/a, published on 5 Nov 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2023-47271 in the wild and no public exploit code.

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-2023-47271/ (Markdown: https://insights.sbomify.com/CVE-2023-47271/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-47271
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-47271
- OSV: https://osv.dev/vulnerability/CVE-2023-47271

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-47271/
Summaries are generated and may contain mistakes; the official description above is the record.