# CVE-2023-39377: File upload in SiberianCMS

> Administrative users can upload dangerous file types in SiberianCMS, potentially leading to remote code execution.

- **Severity:** High 7.2 (`CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 26 Sep 2023
- **Updated:** 24 Sep 2024
- **Also known as:** GHSA-m7m7-9gfg-6cxv

## What is CVE-2023-39377?

CVE-2023-39377 is a high-severity vulnerability in SiberianCMS, published on 26 Sep 2023. An attacker needs administrator access to exploit it, with no action from the victim.

### Official description

SiberianCMS - CWE-434: Unrestricted Upload of File with Dangerous Type - A malicious user with administrative privileges may be able to upload a dangerous filetype via an unspecified method

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

## Which versions are affected by CVE-2023-39377?

It affects 1 product.


Products: Siberiancms Siberiancms.

## How do I fix CVE-2023-39377?

No fix has been published for CVE-2023-39377 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-39377 being exploited?

There is no known exploitation of CVE-2023-39377 in the wild and no public exploit code.

## Other vulnerabilities in SiberianCMS

- [CVE-2024-41702](https://insights.sbomify.com/CVE-2024-41702/): SiberianCMS – CWE-89: Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') (critical 9.8)
- [CVE-2023-39378](https://insights.sbomify.com/CVE-2023-39378/): SQL injection in SiberianCMS (high 8.8)
- [CVE-2023-39375](https://insights.sbomify.com/CVE-2023-39375/): SiberianCMS - CWE-274: Improper Handling of Insufficient Privileges (high 7.5)
- [CVE-2023-39376](https://insights.sbomify.com/CVE-2023-39376/): SiberianCMS - CWE-284: Improper Access Control Authorized user may disable a security feature over the network (medium 6.5)
- [CVE-2017-6906](https://insights.sbomify.com/CVE-2017-6906/): Cross-site scripting in n/a (medium 6.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-39377 and fix it if it is affected.

What it is: CVE-2023-39377 is a high-severity vulnerability in SiberianCMS, published on 26 Sep 2023. An attacker needs administrator access to exploit it, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2023-39377 in the wild and no public exploit code.

Affected product: SiberianCMS. 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-2023-39377/ (Markdown: https://insights.sbomify.com/CVE-2023-39377/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-39377
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-39377
- OSV: https://osv.dev/vulnerability/CVE-2023-39377

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-39377/
Summaries are generated and may contain mistakes; the official description above is the record.