CVE-2025-51488: A Stored Cross-Site Scripting (XSS) vulnerability exists in MoonShine version < 3.12.4, allowing remote attack

Q: How do I fix CVE-2025-51488?

moonshine: upgrade to 3.12.5. Exact commands for each OS are on this page.

Q: Is CVE-2025-51488 being exploited?

CVE-2025-51488 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-51488 affect?

CVE-2025-51488 affects moonshine. Severity is medium (CVSS 4.9). A Stored Cross-Site Scripting (XSS) vulnerability exists in MoonShine version < 3.12.4, allowing remote attackers to store and execute arbitrary JavaScript by including a malicious HTML payload in the Name parameter when creating a new Admi

Q: How urgent is CVE-2025-51488?

Priority 34/100. Public exploit reference

Routine

MEDIUM 4.9UPGRADE

CVE-2025-51488 is a medium-severity flaw (CVSS 4.9) affecting moonshine. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A Stored Cross-Site Scripting (XSS) vulnerability exists in MoonShine version < 3.12.4, allowing remote attackers to store and execute arbitrary JavaScript by including a malicious HTML payload in the Name parameter when creating a new Admin.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	4.9 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	None
EPSS exploit chance	0.6% (top 54%)
CISA exploited list	No
Weakness	CWE-79
Published	2025-08-19
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: moonshine

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-08-19 15:15 UTCPublished CVE record published
2026-06-17 09:35 UTCUpdated Record last modified

moonshine moonshine UPGRADE

Affected: < 3.12.5

Fixed in: 3.12.5

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy moonshine || rpm -q moonshine || moonshine --version

2. UPGRADE to 3.12.5 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade moonshine

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade moonshine

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-51488?

moonshine: upgrade to 3.12.5. Exact commands for each OS are on this page.

Is CVE-2025-51488 being exploited?

CVE-2025-51488 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-51488 affect?

CVE-2025-51488 affects moonshine. Severity is medium (CVSS 4.9). A Stored Cross-Site Scripting (XSS) vulnerability exists in MoonShine version < 3.12.4, allowing remote attackers to store and execute arbitrary JavaScript by including a malicious HTML payload in the Name parameter when creating a new Admi

How urgent is CVE-2025-51488?

Priority 34/100. Public exploit reference

Related CVEs

CVE-2025-51510 MEDIUM 4.9 UPGRADE MoonShine was discovered to contain a SQL injection vulnerability under the Blog -> Categories page when using
CVE-2025-51489 MEDIUM 5.4 UPGRADE A Stored Cross-Site Scripting (XSS) vulnerability exists in MoonShine version < 3.12.5, allowing remote attack
CVE-2025-51487 MEDIUM 4.5 UPGRADE A Stored Cross-Site Scripting (XSS) vulnerability exists in MoonShine version < 3.12.5, allowing to execute ar

References

← Back to latest CVEs