XSS in Crushftp

CVE-2025-63419

Cross Site Scripting (XSS) vulnerability in CrushFTP 11.3.6_48. The Web-Based Server has a feature where users can share files, the feature reflects the filename to an emailbody field with no sanitations leading to HTML Injection.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (9.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-63419?
CVE-2025-63419 is a medium-severity vulnerability in Crushftp, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2025-11-12.
How severe is CVE-2025-63419?
Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2025-63419 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.