PT-2020-16410 · Npm · Vega

Lowjheer · Published 2020-12-30 · Updated 2021-01-06 · CVE-2020-26296

Positive Technologies (AI Summary)

CVSS v3.1

8.7

High

Base vector

AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N

Name of the Vulnerable Software and Affected Versions Vega versions prior to 5.17.3

Description Vega is a visualization grammar, a declarative format for creating, saving, and sharing interactive visualization designs. Vega is an npm package. In Vega, 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.

Recommendations For versions prior to 5.17.3, update to version 5.17.3 to resolve the issue. As a temporary workaround, consider restricting the use of Vega expressions to minimize the risk of exploitation.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2020-26296

GHSA-R2QC-W64X-6J54

Affected Products

Vega

References · 9

• https://osv.dev/vulnerability/GHSA-r2qc-w64x-6j54 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-26296 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-26296 · Security Note
• https://github.com/vega/vega/issues/3018 · Note
• https://github.com/vega/vega/releases/tag/v5.17.3 · Note
• https://github.com/vega/vega/security/advisories/GHSA-r2qc-w64x-6j54 · Note
• https://github.com/vega/vega/pull/3019 · Note
• https://npmjs.com/package/vega · Note
• https://t.me/cvenotify/8001 · Telegram Post