How severe is CVE-2025-51487?

CVE-2025-51487 has a CVSS 3.x base score of 4.5, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2025-51487 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-51487?

CVE-2025-51487 affects Moonshine. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-51487?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-51487 have an EU (EUVD) identifier?

Yes. CVE-2025-51487 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-25182.

When was CVE-2025-51487 published?

CVE-2025-51487 was published on 2025-08-19 and last updated on 2026-06-17.

CVE-2025-51487

CVE-2025-51487 is a medium-severity vulnerability in Moonshine with a CVSS 3.x base score of 4.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 4.5)
EPSS exploit prediction: 0% (32nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-25182
Weakness: CWE-79
Affected product: Moonshine
Published: 2025-08-19
Last modified: 2026-06-17

Description

A Stored Cross-Site Scripting (XSS) vulnerability exists in MoonShine version < 3.12.5, allowing to execute arbitrary JavaScript by using "javascript:" payload, instead of the expected HTTPS protocol, in the CutCode Link parameter when creating/updating a new Article.

Frequently asked questions

What is CVE-2025-51487?: A Stored Cross-Site Scripting (XSS) vulnerability exists in MoonShine version < 3.12.5, allowing to execute arbitrary JavaScript by using "javascript:" payload, instead of the expected HTTPS protocol, in the CutCode Link parameter when creating/updating a new Article.
How severe is CVE-2025-51487?: CVE-2025-51487 has a CVSS 3.x base score of 4.5, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2025-51487 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-51487?: CVE-2025-51487 affects Moonshine. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-51487?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-51487 have an EU (EUVD) identifier?: Yes. CVE-2025-51487 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-25182.
When was CVE-2025-51487 published?: CVE-2025-51487 was published on 2025-08-19 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:moonshine:moonshine:*:*:*:*:*:*:*:*

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