# CVE-2019-9692: File upload in n/a

> Attackers can upload malicious files disguised as images due to insufficient extension validation in the watermark feature.

- **Severity:** Medium 6.5 (`CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N`)
- **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:** 11 Mar 2019
- **Updated:** 4 Aug 2024
- **Also known as:** GHSA-2jxj-259p-q826

## What is CVE-2019-9692?

CVE-2019-9692 is a medium-severity vulnerability in Cmsmadesimple Cms Made Simple, published on 11 Mar 2019. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

class.showtime2_image.php in CMS Made Simple (CMSMS) before 2.2.10 does not ensure that a watermark file has a standard image file extension (GIF, JPG, JPEG, or PNG).

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

## Which versions are affected by CVE-2019-9692?

It affects 1 product.


Products: Cmsmadesimple Cms Made Simple.

## How do I fix CVE-2019-9692?

No fix has been published for CVE-2019-9692 yet. Limit exposure of the affected software until one is available.

## Is CVE-2019-9692 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2019-9692 exists.

Public exploit code:

- CMS Made Simple (CMSMS) Showtime2 File Upload RCE (metasploit)
- CMS Made Simple Showtime2 Module 3.6.2 - (Authenticated) Arbitrary File Upload (exploitdb)
- CMS Made Simple (CMSMS) Showtime2 - File Upload Remote Code Execution (Metasploit) (exploitdb)

## Other vulnerabilities in Cmsmadesimple Cms Made Simple

- [CVE-2010-4663](https://insights.sbomify.com/CVE-2010-4663/): Other in n/a (critical 10.0)
- [CVE-2024-1527](https://insights.sbomify.com/CVE-2024-1527/): Unrestricted Upload of File with Dangerous Type in CMS Made Simple (critical 9.8)
- [CVE-2018-10081](https://insights.sbomify.com/CVE-2018-10081/): Auth bypass in n/a (critical 9.8)
- [CVE-2018-10085](https://insights.sbomify.com/CVE-2018-10085/): Deserialization in n/a (critical 9.8)
- [CVE-2017-1000453](https://insights.sbomify.com/CVE-2017-1000453/): Code injection in n/a (critical 9.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2019-9692 and fix it if it is affected.

What it is: CVE-2019-9692 is a medium-severity vulnerability in Cmsmadesimple Cms Made Simple, published on 11 Mar 2019. 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-2019-9692 exists.

Affected product: Cmsmadesimple Cms Made Simple. 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-2019-9692/ (Markdown: https://insights.sbomify.com/CVE-2019-9692/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2019-9692
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2019-9692
- OSV: https://osv.dev/vulnerability/CVE-2019-9692

---
From sbomify Insights: https://insights.sbomify.com/CVE-2019-9692/
Summaries are generated and may contain mistakes; the official description above is the record.