TI-2025-32346 Aliases CVE-2025-51489 GHSA-8xfq-7f6m-mpmf

A Stored Cross-Site Scripting (XSS) vulnerability exists in MoonShine version < 3.12.5…

MEDIUM 58CWE-434Published 2025-08-19 · Updated 2025-08-20

Key facts

Attack vector: Network
Privileges required: Low
User interaction: Required
Attack complexity: Low
Impact type: Code execution, Cross-site scripting
Confidentiality · integrity · availability: Low · Low · None
Fix status: Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-434 and CWE-79.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00343 28th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix Fixed moonshine/moonshine (Packagist): 3.12.5

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA
—	moonshine/moonshine (Packagist)	before 3.12.5	3.12.5	Patch available	GHSA-8xfq-7f6m-mpmf

— Vendor— Affected all versions Fixed in — No fix listed CNA
moonshine/moonshine (Packagist) Vendor— Affected before 3.12.5 Fixed in 3.12.5 Patch available GHSA-8xfq-7f6m-mpmf

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:moonshine:moonshine::::::::	before 3.12.5	Vulnerable	Moonshine

cpe:2.3:a:moonshine:moonshine:*:*:*:*:*:*:*:* Versions before 3.12.5 Vulnerable ·Moonshine

Remediation

Fix · GHSA-8xfq-7f6m-mpmf moonshine/moonshine (Packagist) Fixed in 3.12.5 Advisory →

Timeline

2026-10-02 Threatist record created from CVE-2025-51489
2026-10-03 Alias added: GHSA-8xfq-7f6m-mpmf

References

Exploit 1

https://github.com/GiacoLenzo2109/MoonShine_Software_PoCs

Advisory 1

https://nvd.nist.gov/vuln/detail/CVE-2025-51489

Other 2

TI-2025-32345 A Stored Cross-Site Scripting (XSS) vulnerability exists in MoonShine version < 3.12.4… CVSS 3.1MEDIUM 4.9
TI-2025-32344 A Stored Cross-Site Scripting (XSS) vulnerability exists in MoonShine version < 3.12.5… CVSS 3.1MEDIUM 4.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences