# CVE-2025-51488: moonshine Stored Cross-Site Scripting Vulnerability in Create Admin

> Remote attackers can execute arbitrary JavaScript via stored XSS in the Admin Name parameter, potentially compromising admin sessions.

- **Severity:** Medium 4.9 (`CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** Yes
- **Published:** 19 Aug 2025
- **Updated:** 20 Aug 2025
- **Also known as:** GHSA-rh9f-gr6q-mpc4

## What is CVE-2025-51488?

CVE-2025-51488 is a medium-severity cross-site scripting vulnerability in n/a, published on 19 Aug 2025. An attacker needs administrator access to exploit it, with no action from the victim.

### Official description

A Stored Cross-Site Scripting (XSS) vulnerability exists in MoonShine version < 3.12.4, allowing remote attackers to store and execute arbitrary JavaScript by including a malicious HTML payload in the Name parameter when creating a new Admin.

Weakness: CWE-79 (Improper Neutralization of Input During Web Page Generation)

## Which versions are affected by CVE-2025-51488?

2 open source packages ship an affected version, including moonshine/moonshine. It affects 1 product.


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `moonshine/moonshine` | Packagist | All versions | 3.12.14 |
| `moonshine/moonshine` | Packagist | All versions | 3.12.14 |

Products: Moonshine Moonshine.

## How do I fix CVE-2025-51488?

Upgrade moonshine/moonshine to 3.12.14 or later.

## Is CVE-2025-51488 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-51488 exists.

## Other vulnerabilities in n/a

- [CVE-2025-51487](https://insights.sbomify.com/CVE-2025-51487/): moonshine Stored Cross-Site Scripting Vulnerability in Create Article (medium 4.5)
- [CVE-2025-51489](https://insights.sbomify.com/CVE-2025-51489/): MoonShine Arbitrary File Upload Vulnerability (medium 4.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-51488 and fix it if it is affected.

What it is: CVE-2025-51488 is a medium-severity cross-site scripting vulnerability in n/a, published on 19 Aug 2025. An attacker needs administrator access to exploit it, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-51488 exists.

Affected packages and fixed versions:
- moonshine/moonshine (Packagist): affected all versions; fixed in 3.12.14
- moonshine/moonshine (Packagist): affected all versions; fixed in 3.12.14

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-2025-51488/ (Markdown: https://insights.sbomify.com/CVE-2025-51488/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-51488
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-51488
- OSV: https://osv.dev/vulnerability/CVE-2025-51488

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-51488/
Summaries are generated and may contain mistakes; the official description above is the record.