CVE-2020-26296

HIGH

Vega < 5.17.3 - Cross-Site Scripting via Crafted Expression

Title source: llm
STIX 2.1

Description

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

References (5)

Core 5
Core References
Third Party Advisory x_refsource_misc
https://github.com/vega/vega/issues/3018
Third Party Advisory x_refsource_misc
https://github.com/vega/vega/pull/3019
Release Notes, Third Party Advisory x_refsource_misc
https://github.com/vega/vega/releases/tag/v5.17.3
Third Party Advisory x_refsource_misc
https://www.npmjs.com/package/vega

Scores

CVSS v3 8.7
EPSS 0.0136
EPSS Percentile 68.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N

Details

CWE
CWE-79
Status published
Products (2)
npm/vega 0 - 5.17.3npm
vega_project/vega < 5.17.3
Published Dec 30, 2020
Tracked Since Feb 18, 2026