CVE-2021-37794

Severity Score

5.4

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A stored cross-site scripting (XSS) vulnerability exists in FileBrowser < v2.16.0 that allows an authenticated user authorized to upload a malicious .svg file which acts as a stored XSS payload. If this stored XSS payload is triggered by an administrator it will trigger malicious OS commands on the server running the FileBrowser instance.

Se presenta una vulnerabilidad de tipo cross-site scripting (XSS) almacenado en FileBrowser versiones anteriores a v2.16.0, que permite a un usuario autenticado y autorizado cargar un archivo .svg malicioso que actúa como carga útil de tipo XSS almacenado. Si esta carga útil de tipo XSS almacenado es desencadenada por un administrador, activará comandos maliciosos del Sistema Operativo en el servidor ejecutando la instancia de FileBrowser

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

Medium

Authentication

Single

Confidentiality

None

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-08-02 CVE Reserved
2021-08-31 CVE Published
2023-03-24 EPSS Updated
2024-08-04 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CAPEC

References (3)

URL	Tag	Source
https://gist.github.com/omriinbar/1e28649f31d795b0e9b7698a9d255b5c	Third Party Advisory
https://github.com/filebrowser/filebrowser	Product

URL	Date	SRC

URL	Date	SRC
https://github.com/filebrowser/filebrowser/commit/201329abce4e92ae9071b9ded81e267aae159fbd	2021-09-08

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Filebrowser Project Search vendor "Filebrowser Project"		Filebrowser Search vendor "Filebrowser Project" for product "Filebrowser"				< 2.16.0 Search vendor "Filebrowser Project" for product "Filebrowser" and version " < 2.16.0"		-		Affected