# CVE-2023-43339: Cross-site scripting in n/a

> A local attacker can execute arbitrary code via XSS in CMS Made Simple by injecting payloads into database configuration fields.

- **Severity:** Medium 6.1 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 25 Sep 2023
- **Updated:** 24 Sep 2024
- **Also known as:** GHSA-cfvg-27w4-pwf3

## What is CVE-2023-43339?

CVE-2023-43339 is a medium-severity cross-site scripting vulnerability in Cmsmadesimple Cms Made Simple, published on 25 Sep 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

### Official description

Cross-Site Scripting (XSS) vulnerability in cmsmadesimple v.2.2.18 allows a local attacker to execute arbitrary code via a crafted payload injected into the Database Name, DataBase User or Database Port components.

Weakness: CWE-79 (Improper Neutralization of Input During Web Page Generation)

## Which versions are affected by CVE-2023-43339?

It affects 1 product.


Products: Cmsmadesimple Cms Made Simple.

## How do I fix CVE-2023-43339?

No fix has been published for CVE-2023-43339 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-43339 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-43339 exists.

Public exploit code:

- CMSmadesimple 2.2.18 is affected by a Cross-Site Scripting (XSS) vulnerability that allows attackers to execute arbitrary code via a crafted payload in the installation process. (github_poc): https://github.com/sromanhu/CVE-2023-43339-CMSmadesimple-Reflected-XSS---Installation

## 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-2023-43339 and fix it if it is affected.

What it is: CVE-2023-43339 is a medium-severity cross-site scripting vulnerability in Cmsmadesimple Cms Made Simple, published on 25 Sep 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-43339 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-2023-43339/ (Markdown: https://insights.sbomify.com/CVE-2023-43339/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-43339
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-43339
- OSV: https://osv.dev/vulnerability/CVE-2023-43339

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-43339/
Summaries are generated and may contain mistakes; the official description above is the record.