# CVE-2023-4139: WP Ultimate CSV Importer <= 7.9.8 - Sensitive Information Exposure via Directory Listing

> Unauthenticated attackers can view exported files due to missing directory listing restrictions in the WP Ultimate CSV Importer plugin.

- **Severity:** High 7.5 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 4 Aug 2023
- **Updated:** 8 Apr 2026
- **Also known as:** GHSA-qmfx-q55g-7jjv

## What is CVE-2023-4139?

CVE-2023-4139 is a high-severity vulnerability in smackcoders WP Ultimate CSV Importer – Import CSV, XML & Excel into WordPress, published on 4 Aug 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

The WP Ultimate CSV Importer plugin for WordPress is vulnerable to Sensitive Information Exposure  via Directory Listing due to missing restriction in export folder indexing in versions up to, and including, 7.9.8. This makes it possible for unauthenticated attackers to list and view exported files.

Weakness: CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor)

## Which versions are affected by CVE-2023-4139?

It affects 1 product.


Products: Smackcoders Wp Ultimate Csv Importer.

## How do I fix CVE-2023-4139?

No fix has been published for CVE-2023-4139 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-4139 being exploited?

There is no known exploitation of CVE-2023-4139 in the wild and no public exploit code.

## Other vulnerabilities in smackcoders WP Ultimate CSV Importer – Import CSV, XML & Excel into WordPress

- [CVE-2023-4141](https://insights.sbomify.com/CVE-2023-4141/): WP Ultimate CSV Importer <= 7.9.8 - Authenticated (Author+) PHP File Creation to Remote Code Execution (high 8.0)
- [CVE-2023-4142](https://insights.sbomify.com/CVE-2023-4142/): WP Ultimate CSV Importer <= 7.9.8 - Authenticated (Author+) Remote Code Execution (high 8.0)
- [CVE-2023-4140](https://insights.sbomify.com/CVE-2023-4140/): WP Ultimate CSV Importer <= 7.9.8 - Arbitrary Usermeta Update to Authenticated (Author+) Privilege Escalation (medium 6.6)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-4139 and fix it if it is affected.

What it is: CVE-2023-4139 is a high-severity vulnerability in smackcoders WP Ultimate CSV Importer – Import CSV, XML & Excel into WordPress, published on 4 Aug 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2023-4139 in the wild and no public exploit code.

Affected product: smackcoders WP Ultimate CSV Importer – Import CSV, XML & Excel into WordPress. 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-2023-4139/ (Markdown: https://insights.sbomify.com/CVE-2023-4139/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-4139
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-4139
- OSV: https://osv.dev/vulnerability/CVE-2023-4139

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From sbomify Insights: https://insights.sbomify.com/CVE-2023-4139/
Summaries are generated and may contain mistakes; the official description above is the record.