# CVE-2025-13133: Simple User Import Export <= 1.1.7 - Authenticated (Admin+) CSV Injection

> Administrators can inject malicious formulas into exported CSV files, leading to code execution when opened locally.

- **Severity:** Medium 6.6 (`CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 18 Nov 2025
- **Updated:** 8 Apr 2026
- **Also known as:** GHSA-fmjc-6x9q-54mf

## What is CVE-2025-13133?

CVE-2025-13133 is a medium-severity code injection vulnerability in vaniivan Simple User Import Export, published on 18 Nov 2025. An attacker needs administrator access to exploit it, with no action from the victim.

### Official description

The Simple User Import Export plugin for WordPress is vulnerable to CSV Injection in all versions up to, and including, 1.1.7 via the 'Import/export users' function. This makes it possible for authenticated attackers, with Administrator-level access and above, to embed untrusted input into exported CSV files, which can result in code execution when these files are downloaded and opened on a local system with a vulnerable configuration

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

## Which versions are affected by CVE-2025-13133?


## How do I fix CVE-2025-13133?

No fix has been published for CVE-2025-13133 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-13133 being exploited?

There is no known exploitation of CVE-2025-13133 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-13133 and fix it if it is affected.

What it is: CVE-2025-13133 is a medium-severity code injection vulnerability in vaniivan Simple User Import Export, published on 18 Nov 2025. An attacker needs administrator access to exploit it, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2025-13133 in the wild and no public exploit code.

Affected product: vaniivan Simple User Import Export. 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-2025-13133/ (Markdown: https://insights.sbomify.com/CVE-2025-13133/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-13133
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-13133
- OSV: https://osv.dev/vulnerability/CVE-2025-13133

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-13133/
Summaries are generated and may contain mistakes; the official description above is the record.