# CVE-2025-10057: Code injection in WP Import – Ultimate CSV XML Importer for WordPress

> Authenticated attackers with Subscriber access can inject PHP code into a file to achieve remote code execution on the WordPress site.

- **Severity:** High 8.8 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`)
- **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:** 17 Sep 2025
- **Updated:** 17 Sep 2025
- **Also known as:** GHSA-r2wf-hqhm-qxv7

## What is CVE-2025-10057?

CVE-2025-10057 is a high-severity code injection vulnerability in smackcoders WP Import – Ultimate CSV XML Importer for WordPress, published on 17 Sep 2025. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

The WP Import – Ultimate CSV XML Importer for WordPress plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 7.28. This is due to the write_to_customfile() function writing unfiltered PHP code to a file. This makes it possible for authenticated attackers, with Subscriber-level access and above, to inject the customFunction.php file with PHP code that can be accessed to trigger remote code execution.

Weakness: CWE-94 (Improper Control of Generation of Code)

## Which versions are affected by CVE-2025-10057?


## How do I fix CVE-2025-10057?

No fix has been published for CVE-2025-10057 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-10057 being exploited?

There is no known exploitation of CVE-2025-10057 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-10057 and fix it if it is affected.

What it is: CVE-2025-10057 is a high-severity code injection vulnerability in smackcoders WP Import – Ultimate CSV XML Importer for WordPress, published on 17 Sep 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2025-10057 in the wild and no public exploit code.

Affected product: smackcoders WP Import – Ultimate CSV XML Importer for 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-2025-10057/ (Markdown: https://insights.sbomify.com/CVE-2025-10057/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-10057
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-10057
- OSV: https://osv.dev/vulnerability/CVE-2025-10057

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From sbomify Insights: https://insights.sbomify.com/CVE-2025-10057/
Summaries are generated and may contain mistakes; the official description above is the record.