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CVE-2025-51489

MEDIUM
5.4
CVSS Score
Published: August 19, 2025 at 12:00 AM UTC
Updated: June 17, 2026 at 09:35 AM UTC
1 product affected across 1 vendorMoonshine

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Severity
MEDIUM5.4
Exploit prediction
EPSS 0.3%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Moonshine· Moonshine
95%
v < 3.12.5
Affected range stops below 3.12.5, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

ExploitThird Party Advisory
Source: [email protected]
https://github.com/GiacoLenzo2109/MoonShine_Software_PoCs
Product
Source: [email protected]
https://github.com/moonshine-software/moonshine

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.4MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-79CWE-434

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