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CVE-2025-51489

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Date: August 18, 2025

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.

Severity Score

Related Resources (5)

https://github.com/GiacoLenzo2109/MoonShine_Software_PoCs
https://github.com/moonshine-software/moonshine
https://nvd.nist.gov/vuln/detail/CVE-2025-51489
https://github.com/moonshine-software/moonshine/commit/7102fb113627870fb1cb7176e1d0d95bb47a7fd4
https://www.mend.io/vulnerability-database/CVE-2025-51489

Severity Score

Weakness Type (CWE)

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

CWE-79

Unrestricted Upload of File with Dangerous Type

CWE-434

Top Fix

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Upgrade Version

Upgrade to version moonshine/moonshine - 3.12.5

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): HIGH
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): NONE
Availability (A): NONE

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