# CVE-2023-28854: nophp vulnerable to shell command injection on httpd user when sending a password-setting mail or mail-login mail

> Attackers can execute arbitrary shell commands as the httpd user via password-setting or mail-login emails in the nophp framework.

- **Severity:** High 8.0 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:R/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:** A user has to click or open something
- **Fix available:** No
- **Published:** 3 Apr 2023
- **Updated:** 11 Feb 2025
- **Also known as:** GHSA-9858-q3c2-9wwm

## What is CVE-2023-28854?

CVE-2023-28854 is a high-severity command injection vulnerability in paijp nophp, published on 3 Apr 2023. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

### Official description

nophp is a PHP web framework. Prior to version 0.0.1, nophp is vulnerable to shell command injection on httpd user. A patch was made available at commit e5409aa2d441789cbb35f6b119bef97ecc3986aa on 2023-03-30. Users should update index.php to 2023-03-30 or later or, as a workaround, add a function such as `env_patchsample230330.php` to env.php.

Weakness: CWE-77 (Improper Neutralization of Special Elements used in a Command)

## Which versions are affected by CVE-2023-28854?

It affects 1 product.


Products: Nophp Project Nophp.

## How do I fix CVE-2023-28854?

No fix has been published for CVE-2023-28854 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-28854 being exploited?

There is no known exploitation of CVE-2023-28854 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-28854 and fix it if it is affected.

What it is: CVE-2023-28854 is a high-severity command injection vulnerability in paijp nophp, published on 3 Apr 2023. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2023-28854 in the wild and no public exploit code.

Affected product: paijp nophp. 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-2023-28854/ (Markdown: https://insights.sbomify.com/CVE-2023-28854/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-28854
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-28854
- OSV: https://osv.dev/vulnerability/CVE-2023-28854

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-28854/
Summaries are generated and may contain mistakes; the official description above is the record.