# CVE-2023-42286: File upload in n/a

> Attackers can execute arbitrary code or system commands via a PHP file inclusion vulnerability in the template configuration of EyouCMS.

- **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:** 14 Mar 2024
- **Updated:** 13 Mar 2025
- **Also known as:** GHSA-95wf-ppr8-fpf4

## What is CVE-2023-42286?

CVE-2023-42286 is a critical vulnerability in Eyoucms Eyoucms, published on 14 Mar 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

There is a PHP file inclusion vulnerability in the template configuration of eyoucms v1.6.4, allowing attackers to execute code or system commands through a carefully crafted malicious payload.

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

## Which versions are affected by CVE-2023-42286?

It affects 1 product.


Products: Eyoucms Eyoucms.

## How do I fix CVE-2023-42286?

No fix has been published for CVE-2023-42286 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-42286 being exploited?

There is no known exploitation of CVE-2023-42286 in the wild and no public exploit code.

## Other vulnerabilities in Eyoucms Eyoucms

- [CVE-2022-26273](https://insights.sbomify.com/CVE-2022-26273/): Business logic in n/a (critical 9.8)
- [CVE-2022-26279](https://insights.sbomify.com/CVE-2022-26279/): Missing authorization in n/a (critical 9.8)
- [CVE-2020-24000](https://insights.sbomify.com/CVE-2020-24000/): SQL injection in n/a (critical 9.8)
- [CVE-2021-39497](https://insights.sbomify.com/CVE-2021-39497/): Server-side request forgery in n/a (critical 9.8)
- [CVE-2025-65868](https://insights.sbomify.com/CVE-2025-65868/): XML external entity in n/a (critical 9.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-42286 and fix it if it is affected.

What it is: CVE-2023-42286 is a critical vulnerability in Eyoucms Eyoucms, published on 14 Mar 2024. 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-2023-42286 in the wild and no public exploit code.

Affected product: Eyoucms Eyoucms. 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-2023-42286/ (Markdown: https://insights.sbomify.com/CVE-2023-42286/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-42286
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-42286
- OSV: https://osv.dev/vulnerability/CVE-2023-42286

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-42286/
Summaries are generated and may contain mistakes; the official description above is the record.