MoonShine Arbitrary File Upload Vulnerability

MEDIUM 5.4CVE-2025-51489 · GHSA-8xfq-7f6m-mpmf · Published 19/08/2025 · updated 17/06/2026

In short

CVE-2025-51489 is a MEDIUM (CVSS 5.4) vulnerability affecting moonshine/moonshine, moonshine (moonshine).
Chance of exploitation in the next 30 days (EPSS): 0.34%, higher than 28.0% of all vulnerabilities.
Fix: update to 3.12.5 or later.

Package	Affected versions	Patched versions
moonshine/moonshine Packagist	`< 3.12.5`	`3.12.5`
moonshine moonshine	`< 3.12.5`	`3.12.5`

Description

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

NVD description

A Stored Cross-Site Scripting (XSS) vulnerability exists in MoonShine version < 3.12.5, allowing remote attackers to upload a malicious SVG file when creating/updating an Article and correctly execute arbitrary JavaScript when the file link is opened.

References

nvd.nist.gov/vuln/detail/CVE-2025-51489 · ADVISORY
moonshine-software/moonshine commit 7102fb1 · WEB
GiacoLenzo2109/MoonShine_Software_PoCs · WEB
moonshine-software/moonshine · PACKAGE

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Package

Affected versions

Patched versions

moonshine/moonshine

Packagist

< 3.12.5

3.12.5

moonshine

< 3.12.5

3.12.5

Description

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

NVD description

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