CVE-2020-5809

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 XSS vulnerability exists in Umbraco CMS <= 8.9.1 or current. An authenticated user can inject arbitrary JavaScript code into iframes when editing content using the TinyMCE rich-text editor, as TinyMCE is configured to allow iframes by default in Umbraco CMS.

Se presenta una vulnerabilidad de tipo XSS almacenado en Umbraco CMS versiones anteriores a 8.9.1 o actual. Un usuario autenticado puede inyectar código JavaScript arbitrario en iframes cuando edita contenido usando el editor de texto enriquecido TinyMCE, ya que TinyMCE está configurado para permitir iframes por defecto en Umbraco CMS.

*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

2020-01-06 CVE Reserved
2020-12-30 CVE Published
2023-03-08 EPSS Updated
2024-08-04 CVE Updated
2024-08-04 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

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

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC
https://www.tenable.com/security/research/tra-2020-59	2024-08-04

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Umbraco Search vendor "Umbraco"		Umbraco Cms Search vendor "Umbraco" for product "Umbraco Cms"				<= 8.9.1 Search vendor "Umbraco" for product "Umbraco Cms" and version " <= 8.9.1"		-		Affected