CVE-2018-17256

Severity Score

4.8

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Persistent cross-site scripting (XSS) vulnerability in Umbraco CMS 7.12.3 allows authenticated users to inject arbitrary web script via the Header Name of a content (Blog, Content Page, etc.). The vulnerability is exploited when updating or removing public access of a content.

Vulnerabilidad Cross-Site Scripting (XSS) persistente en Umbraco CMS 7.12.3 permite que usuarios autenticados inyecten scripts web arbitrarios mediante el nombre de cabecera de un contenido (Blog, Content Page, etc.). La vulnerabilidad se explota al actualizar o eliminar el acceso público a un contenido.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

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

2018-09-20 CVE Reserved
2018-11-27 CVE Published
2023-03-08 EPSS Updated
2024-09-17 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 (1)

URL	Tag	Source
https://www.cspcert.ph/advisories/2018/CVE-2018-17256.html	Third Party Advisory

URL	Date	SRC

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"				7.12.3 Search vendor "Umbraco" for product "Umbraco Cms" and version "7.12.3"		-		Affected