Is CVE-2025-63420 actively exploited?

CVE-2025-63420 has no public evidence of in-the-wild exploitation as of 2026-02-05.

What is the CVSS score for CVE-2025-63420?

CVE-2025-63420 has a CVSS score of 4.1 (MEDIUM severity). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:N.

How do I patch CVE-2025-63420?

Patch guidance is available from crushftp security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2025-63420.

CVE-2025-63420 - remediation guidance & executive summary

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.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:N
Attack Vector: network
Complexity: low
Privileges: low
User Action: required
Scope: changed
Confidentiality: none
Integrity: low
Availability: none
Weaknesses: CWE-79 · Cross-site Scripting (XSS)

Metadata

Primary Vendor: CRUSHFTP
Published: 11/7/2025
Last Modified: 2/5/2026
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2025-63420

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary