# CVE-2018-16308: Other in n/a

> CSV injection in Ninja Forms allows attackers to execute arbitrary commands when exported data is opened in spreadsheet software.

- **Severity:** High 8.6 (`CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Local or same network only
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 1 Sep 2018
- **Updated:** 5 Aug 2024
- **Also known as:** GHSA-928w-73gm-m2g3

## What is CVE-2018-16308?

CVE-2018-16308 is a high-severity vulnerability in Ninjaforms Ninja Forms, published on 1 Sep 2018. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

### Official description

The Ninja Forms plugin before 3.3.14.1 for WordPress allows CSV injection.

Weakness: CWE-1236 (Improper Neutralization of Formula Elements in a CSV File)

## Which versions are affected by CVE-2018-16308?

It affects 1 product.


Products: Ninjaforms Ninja Forms.

## How do I fix CVE-2018-16308?

No fix has been published for CVE-2018-16308 yet. Limit exposure of the affected software until one is available.

## Is CVE-2018-16308 being exploited?

There is no known exploitation of CVE-2018-16308 in the wild and no public exploit code.

## Other vulnerabilities in Ninjaforms Ninja Forms

- [CVE-2025-9083](https://insights.sbomify.com/CVE-2025-9083/): Ninja-forms < 3.11.1 - Unauthenticated PHP Objection (critical 9.8)
- [CVE-2016-1209](https://insights.sbomify.com/CVE-2016-1209/): Deserialization in n/a (critical 9.8)
- [CVE-2018-20981](https://insights.sbomify.com/CVE-2018-20981/): Information disclosure in n/a (critical 9.1)
- [CVE-2024-25572](https://insights.sbomify.com/CVE-2024-25572/): Cross-site request forgery in Ninja Forms (high 8.8)
- [CVE-2021-24163](https://insights.sbomify.com/CVE-2021-24163/): Ninja Forms < 3.4.34 - Authenticated SendWP Plugin Installation and Client Secret Key Disclosure (high 8.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2018-16308 and fix it if it is affected.

What it is: CVE-2018-16308 is a high-severity vulnerability in Ninjaforms Ninja Forms, published on 1 Sep 2018. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2018-16308 in the wild and no public exploit code.

Affected product: Ninjaforms Ninja Forms. 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-2018-16308/ (Markdown: https://insights.sbomify.com/CVE-2018-16308/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2018-16308
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2018-16308
- OSV: https://osv.dev/vulnerability/CVE-2018-16308

---
From sbomify Insights: https://insights.sbomify.com/CVE-2018-16308/
Summaries are generated and may contain mistakes; the official description above is the record.