How severe is CVE-2025-63420?

CVE-2025-63420 has a CVSS 3.x base score of 4.1, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2025-63420 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-63420?

CVE-2025-63420 affects Crushftp. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-63420?

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

Does CVE-2025-63420 have an EU (EUVD) identifier?

Yes. CVE-2025-63420 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-38325.

When was CVE-2025-63420 published?

CVE-2025-63420 was published on 2025-11-07 and last updated on 2026-06-17.

CVE-2025-63420

CVE-2025-63420 is a medium-severity vulnerability in Crushftp with a CVSS 3.x base score of 4.1. 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 4.1)
EPSS exploit prediction: 0% (18th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-38325
Weakness: CWE-79
Affected product: Crushftp
Published: 2025-11-07
Last modified: 2026-06-17

Description

CrushFTP11 before 11.3.7_57 is vulnerable to stored HTML injection in the CrushFTP Admin Panel (Reports / "Who Created Folder"), enabling persistent HTML execution in admin sessions.

Frequently asked questions

What is CVE-2025-63420?: CrushFTP11 before 11.3.7_57 is vulnerable to stored HTML injection in the CrushFTP Admin Panel (Reports / "Who Created Folder"), enabling persistent HTML execution in admin sessions.
How severe is CVE-2025-63420?: CVE-2025-63420 has a CVSS 3.x base score of 4.1, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2025-63420 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-63420?: CVE-2025-63420 affects Crushftp. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-63420?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-63420 have an EU (EUVD) identifier?: Yes. CVE-2025-63420 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-38325.
When was CVE-2025-63420 published?: CVE-2025-63420 was published on 2025-11-07 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:crushftp:crushftp:*:*:*:*:*:*:*:*

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