XSS in Vega
CVE-2020-26296
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
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.017 (74.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N.
Affected products
- Vega — versions < 5.17.3
- Vega_project Vega
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Third Party Advisory)
- security-advisories@github.com (Third Party Advisory, x_refsource_MISC)
- security-advisories@github.com (Third Party Advisory, x_refsource_MISC)
- security-advisories@github.com (Third Party Advisory, x_refsource_MISC, Release Notes)
- security-advisories@github.com (Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2020-26296?
- CVE-2020-26296 is a high-severity vulnerability in Vega, classified under Cross-site Scripting. CVSS score: 8.7/10. Published 2020-12-30.
- How severe is CVE-2020-26296?
- High severity. CVSS v3 base score is 8.7 out of 10.