CVE-2020-26296

XSS in Vega

Severity Score

8.7

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Vega is a visualization grammar, a declarative format for creating, saving, and sharing interactive visualization designs. Vega in an npm package. In Vega before version 5.17.3 there is an XSS vulnerability in Vega expressions. Through a specially crafted Vega expression, an attacker could execute arbitrary javascript on a victim's machine. This is fixed in version 5.17.3

Vega es una gramática de visualización, un formato declarativo para crear, guardar y compartir diseños de visualización interactivos. Vega en un paquete npm. En Vega versiones anteriores a 5.17.3, se presenta una vulnerabilidad de tipo XSS en las expresiones de Vega. Mediante una expresión Vega especialmente diseñada, un atacante podría ejecutar javascript arbitrario en la máquina de una víctima. Esto es corregido en la versión 5.17.3

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Changed

Confidentiality

High

Integrity

High

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

2020-10-01 CVE Reserved
2020-12-30 CVE Published
2024-08-04 CVE Updated
2025-03-30 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

References (5)

URL	Tag	Source
https://github.com/vega/vega/issues/3018	Third Party Advisory
https://github.com/vega/vega/pull/3019	Third Party Advisory
https://github.com/vega/vega/releases/tag/v5.17.3	Release Notes
https://github.com/vega/vega/security/advisories/GHSA-r2qc-w64x-6j54	Third Party Advisory
https://www.npmjs.com/package/vega	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
Vega Project Search vendor "Vega Project"		Vega Search vendor "Vega Project" for product "Vega"				< 5.17.3 Search vendor "Vega Project" for product "Vega" and version " < 5.17.3"		node.js		Affected