Cross Site Scripting Vulnerability in CrushFTP by CrushFTP Inc.
CVE-2025-63419

6.1MEDIUM

Key Information:

Vendor

CrushFTP Inc.

Status
CrushFTP
Vendor
CVE Published:
12 November 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-63419?

A Cross Site Scripting (XSS) vulnerability exists in CrushFTP version 11.3.6_48, where the web-based server facilitates file sharing without adequate sanitation of reflected filenames. This oversight allows malicious users to inject HTML into the email body field, potentially leading to unauthorized actions or exposure of sensitive information. It is crucial for users to review their configurations and apply necessary updates to mitigate associated risks.

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Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2025-63419
Created by MMAKINGDOM

References

https://gist.github.com/MMAKINGDOM/39ded58b1e6d2d19366e76...
https://github.com/MMAKINGDOM/CVE-2025-63419/

CVSS V3.1

Score:
6.1
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability Reserved

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