CVE-2025-51489: Moonshine/moonshine MoonShine Arbitrary File Upload Vulnerability Vulnerability

MODERATE
Advisory Identifier: GHSA-8xfq-7f6m-mpmf
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CVSS 4.5
CWE-434 CWE-79
Published
Advisory Summary

CVE-2025-51489 is a MODERATE (CVSS 4.5) moonshine arbitrary file upload vulnerability vulnerability (CWE-434: Unrestricted Upload of File with Dangerous Type) affecting Moonshine/moonshine libraries in the Packagist ecosystem. The issue involves moonshine arbitrary file upload vulnerability. Remediation is available by upgrading affected packages to version 3.12.5.

CVE-2025-51489 at a Glance

CVE Identifier CVE-2025-51489
GHSA Identifier GHSA-8xfq-7f6m-mpmf
Severity MODERATE
CVSS v3.1 Base Score 4.5
CWE Classification CWE-434: Unrestricted Upload of File with Dangerous Type
Affected Product Moonshine/moonshine
Package Ecosystem Packagist
Published Date
Last Updated

Security Impact

CVSS: 4.5

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:N/A:N).

Attack Vector Network (AV:N)
Attack Complexity Low (AC:L)
Privileges Required High (PR:H)
User Interaction Required (UI:R)
Scope Unchanged (S:U)
Confidentiality High (C:H)
Integrity None (I:N)
Availability None (A:N)

How to Fix CVE-2025-51489

To remediate this vulnerability, upgrade all affected Moonshine/moonshine dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

moonshine/moonshine fixed: 3.12.5 
Upgrade moonshine/moonshine to 3.12.5
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

inspect dependencies for moonshine/moonshine

How to Check if You Are Affected

To determine whether your application is affected by CVE-2025-51489, inspect your project dependencies for Moonshine/moonshine:

inspect dependencies for moonshine/moonshine

Analyze the terminal output to locate any version of Moonshine/moonshine in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 3.12.5), your application is affected.

Note: Verify declared build manifests and deployed runtime container environments.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-434: Unrestricted Upload of File with Dangerous Type, where the product allows the upload or transfer of dangerous file types that are automatically processed within its environment. In Moonshine/moonshine, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

An arbitrary file upload vulnerability in MoonShine v3.12.4 allows attackers to execute arbitrary code via uploading a crafted SVG file.

CVE-2025-51489 Affected Moonshine/moonshine Versions

1 component(s)
Fixed Versions:
3.12.5
Product / Package Ecosystem Affected Versions Fixed Version
moonshine/moonshine
 Packagist
< 3.12.5
3.12.5

References

NVD — CVE-2025-51489 NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-51489
Security Fix Commit FIX COMMIT
https://github.com/moonshine-software/moonshine/commit/7102fb113627870fb1cb7176e1d0d95bb47a7fd4
Moonshine/moonshine Source Repository REPOSITORY
https://github.com/GiacoLenzo2109/MoonShine_Software_PoCs
Moonshine/moonshine Source Repository REPOSITORY
https://github.com/moonshine-software/moonshine

Frequently Asked Questions

What is CVE-2025-51489?
CVE-2025-51489 is a security vulnerability in Moonshine/moonshine involving MoonShine Arbitrary File Upload Vulnerability under CWE-434: Unrestricted Upload of File with Dangerous Type.
Which Moonshine/moonshine versions are affected?
Affected versions include releases prior to 3.12.5 across affected packages: moonshine/moonshine.
What version fixes CVE-2025-51489?
Upgrading to 3.12.5 (or the latest patched release for your respective branch) resolves the vulnerability.
Is moonshine/moonshine affected?
Yes, moonshine/moonshine is affected in releases prior to 3.12.5. Upgrade your dependency to 3.12.5 or later.
What is the CVSS score of CVE-2025-51489?
CVE-2025-51489 has a CVSS v3.1 base score of 4.5 (MODERATE) with vector string CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:N/A:N.
What CWE is associated with CVE-2025-51489?
CVE-2025-51489 is classified under CWE-434: Unrestricted Upload of File with Dangerous Type (The product allows the upload or transfer of dangerous file types that are automatically processed within its environment.).
How can I check Packagist dependencies for CVE-2025-51489?
Run the dependency tree command: 'inspect dependencies for moonshine/moonshine'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-8xfq-7f6m-mpmf",
  "modified" : "2025-08-21T15:41:05Z",
  "published" : "2025-08-19T15:31:29Z",
  "aliases" : [ "CVE-2025-51489" ],
  "summary" : "MoonShine Arbitrary File Upload Vulnerability",
  "details" : "An arbitrary file upload vulnerability in MoonShine v3.12.4 allows attackers to execute arbitrary code via uploading a crafted SVG file.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:N/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "moonshine/moonshine"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "3.12.5"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2025-51489"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/moonshine-software/moonshine/commit/7102fb113627870fb1cb7176e1d0d95bb47a7fd4"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/GiacoLenzo2109/MoonShine_Software_PoCs"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/moonshine-software/moonshine"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-434", "CWE-79" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2025-08-20T18:58:17Z",
    "nvd_published_at" : "2025-08-19T15:15:28Z"
  }
}