# CVE-2022-47042: Arbitrary file write in net.mingsoft:ms-mcms

> Attackers can write arbitrary files to the server via the writeFileContent.do endpoint, potentially leading to remote code execution.

- **Severity:** High 8.8 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** Yes
- **Published:** 24 Jan 2023
- **Updated:** 2 Apr 2025
- **Also known as:** GHSA-65v6-3c9m-hmrp

## What is CVE-2022-47042?

CVE-2022-47042 is a high-severity vulnerability in n/a, published on 24 Jan 2023. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

MCMS v5.2.10 and below was discovered to contain an arbitrary file write vulnerability via the component ms/template/writeFileContent.do.

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

## Which versions are affected by CVE-2022-47042?

2 open source packages ship an affected version, including net.mingsoft:ms-mcms. It affects 1 product.


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `net.mingsoft:ms-mcms` | Maven | All versions | 5.2.11 |
| `net.mingsoft:ms-mcms` | Maven | All versions | 5.2.11 |

Products: Mingsoft Mcms.

## How do I fix CVE-2022-47042?

Upgrade net.mingsoft:ms-mcms to 5.2.11 or later.

## Is CVE-2022-47042 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-47042 exists.

## Other vulnerabilities in n/a

- [CVE-2025-56316](https://insights.sbomify.com/CVE-2025-56316/): MCMS vulnerable SQL injection via the content_title parameter (critical 9.8)
- [CVE-2025-29287](https://insights.sbomify.com/CVE-2025-29287/): MCMS allows arbitrary file uploads in the ueditor component (critical 9.8)
- [CVE-2023-50578](https://insights.sbomify.com/CVE-2023-50578/): Mingsoft MCMS SQL injection (critical 9.8)
- [CVE-2020-20913](https://insights.sbomify.com/CVE-2020-20913/): Ming-Soft MCMS vulnerable to SQL injection (critical 9.8)
- [CVE-2022-36272](https://insights.sbomify.com/CVE-2022-36272/): Mingsoft MCMS SQL injection vulnerability in /mdiy/page/verify URI via fieldName parameter (critical 9.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-47042 and fix it if it is affected.

What it is: CVE-2022-47042 is a high-severity vulnerability in n/a, published on 24 Jan 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-47042 exists.

Affected packages and fixed versions:
- net.mingsoft:ms-mcms (Maven): affected all versions; fixed in 5.2.11
- net.mingsoft:ms-mcms (Maven): affected all versions; fixed in 5.2.11

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-2022-47042/ (Markdown: https://insights.sbomify.com/CVE-2022-47042/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-47042
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-47042
- OSV: https://osv.dev/vulnerability/CVE-2022-47042

---
From sbomify Insights: https://insights.sbomify.com/CVE-2022-47042/
Summaries are generated and may contain mistakes; the official description above is the record.