# CVE-2016-7902: File upload in n/a

> Authenticated users with media management permissions can execute arbitrary code by uploading a malicious ZIP file with crafted extensions.

- **Severity:** High 8.8 (`CVSS:3.0/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:** No
- **Published:** 4 Jan 2017
- **Updated:** 6 Aug 2024
- **Also known as:** GHSA-2gvx-cpxc-42hj, UBUNTU-CVE-2016-7902

## What is CVE-2016-7902?

CVE-2016-7902 is a high-severity vulnerability in n/a, published on 4 Jan 2017. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

Unrestricted file upload vulnerability in the fileUnzip->unzip method in Dotclear before 2.10.3 allows remote authenticated users with permissions to manage media items to execute arbitrary code by uploading a ZIP file containing a file with a crafted extension, as demonstrated by .php.txt or .php%20.

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

## Which versions are affected by CVE-2016-7902?

It affects 1 product.


Products: Dotclear Dotclear.

## How do I fix CVE-2016-7902?

No fix has been published for CVE-2016-7902 yet. Limit exposure of the affected software until one is available.

## Is CVE-2016-7902 being exploited?

There is no known exploitation of CVE-2016-7902 in the wild and no public exploit code.

## Other vulnerabilities in n/a

- [CVE-2005-3957](https://insights.sbomify.com/CVE-2005-3957/): Other in n/a (critical 10.0)
- [CVE-2008-3232](https://insights.sbomify.com/CVE-2008-3232/): File upload in n/a (critical 9.3)
- [CVE-2015-8832](https://insights.sbomify.com/CVE-2015-8832/): File upload in n/a (high 8.8)
- [CVE-2023-53952](https://insights.sbomify.com/CVE-2023-53952/): Dotclear 2.25.3 Authenticated Remote Code Execution via File Upload (high 8.7)
- [CVE-2024-58281](https://insights.sbomify.com/CVE-2024-58281/): Dotclear 2.29 Remote Code Execution via Authenticated File Upload (high 8.7)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2016-7902 and fix it if it is affected.

What it is: CVE-2016-7902 is a high-severity vulnerability in n/a, published on 4 Jan 2017. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2016-7902 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-2016-7902/ (Markdown: https://insights.sbomify.com/CVE-2016-7902/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2016-7902
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2016-7902
- OSV: https://osv.dev/vulnerability/CVE-2016-7902

---
From sbomify Insights: https://insights.sbomify.com/CVE-2016-7902/
Summaries are generated and may contain mistakes; the official description above is the record.