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moonshine Stored Cross-Site Scripting Vulnerability in Create Admin

Moderate severity GitHub Reviewed Published Aug 19, 2025 to the GitHub Advisory Database • Updated Aug 20, 2025

Package

composer moonshine/moonshine (Composer)

Affected versions

< 3.12.4

Patched versions

3.12.14

Description

A stored cross-site scripting (XSS) vulnerability in the Create Admin function of MoonShine v3.12.3 allows attackers to execute arbitrary web scripts or HTML via injecting a crafted payload into the Name parameter.

References

Published by the National Vulnerability Database Aug 19, 2025
Published to the GitHub Advisory Database Aug 19, 2025
Reviewed Aug 20, 2025
Last updated Aug 20, 2025

Severity

Moderate

CVSS overall score

This score calculates overall vulnerability severity from 0 to 10 and is based on the Common Vulnerability Scoring System (CVSS).
/ 10

CVSS v3 base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
High
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

CVSS v3 base metrics

Attack vector: More severe the more the remote (logically and physically) an attacker can be in order to exploit the vulnerability.
Attack complexity: More severe for the least complex attacks.
Privileges required: More severe if no privileges are required.
User interaction: More severe when no user interaction is required.
Scope: More severe when a scope change occurs, e.g. one vulnerable component impacts resources in components beyond its security scope.
Confidentiality: More severe when loss of data confidentiality is highest, measuring the level of data access available to an unauthorized user.
Integrity: More severe when loss of data integrity is the highest, measuring the consequence of data modification possible by an unauthorized user.
Availability: More severe when the loss of impacted component availability is highest.
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

EPSS score

Exploit Prediction Scoring System (EPSS)

This score estimates the probability of this vulnerability being exploited within the next 30 days. Data provided by FIRST.
(15th percentile)

Weaknesses

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. Learn more on MITRE.

CVE ID

CVE-2025-51488

GHSA ID

GHSA-rh9f-gr6q-mpc4

Source code

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