Stored Cross-Site Scripting in CrushFTP Admin Panel
CVE-2025-63420

4.1MEDIUM

Key Information:

Vendor

CrushFTP
Status
CrushFTP
Vendor
CVE Published:
7 November 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-63420?

A stored cross-site scripting vulnerability exists in the CrushFTP 11.3.7_50 Admin Panel, specifically in the Reports section under 'Who Created Folder'. This flaw permits authenticated users, authorized to create folders, to inject malicious HTML and JavaScript into the application. If exploited, attackers could manipulate the data presented to users, leading to various web security risks, including session hijacking, data theft, or further exploitation of the system.

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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-2025-63420
Created by MMAKINGDOM

References

https://gist.github.com/MMAKINGDOM/791d264c27656f0a4aa3c0...
https://github.com/MMAKINGDOM/CVE-2025-63420/

CVSS V3.1

Score:
4.1
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Changed

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

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