// For flags

CVE-2025-4392

Shared Files <= 1.7.48 - Unauthenticated Stored Cross-Site Scripting via sanitize_file Function

Severity Score

7.2
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track
*SSVC
Descriptions

The Shared Files – Frontend File Upload Form & Secure File Sharing plugin for WordPress is vulnerable to Stored Cross-Site Scripting via html File uploads in all versions up to, and including, 1.7.48 due to insufficient input sanitization and output escaping within the sanitize_file() function. This makes it possible for unauthenticated attackers to bypass the plugin’s MIME-only checks and inject arbitrary web scripts in pages that will execute whenever a user accesses the html file.

El complemento Shared Files – Frontend File Upload Form &amp; Secure File Sharing para WordPress es vulnerable a Cross-Site Scripting Almacenado al subir archivos HTML en todas las versiones hasta la 1.7.48 incluida, debido a una depuración de entrada insuficiente y al escape de salida dentro de la función sanitize_file(). Esto permite a atacantes no autenticados eludir las comprobaciones de solo MIME del complemento e inyectar scripts web arbitrarios en las páginas que se ejecutarán al acceder un usuario al archivo HTML.

*Credits: Martin Martin
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:Track
Exploitation
None
Automatable
No
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2025-05-06 CVE Reserved
  • 2025-06-02 CVE Published
  • 2025-06-03 CVE Updated
  • 2025-07-05 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Anssilaitila
Search vendor "Anssilaitila"
Shared Files – Frontend File Upload Form & Secure File Sharing
Search vendor "Anssilaitila" for product "Shared Files – Frontend File Upload Form & Secure File Sharing"
<= 1.7.48
Search vendor "Anssilaitila" for product "Shared Files – Frontend File Upload Form & Secure File Sharing" and version " <= 1.7.48"
en
Affected