CVE-2021-28092: Is-Svg Project Is-Svg

High severity, CVSS 7.5. EPSS: 2% chance of exploitation in the next 30 days.

The is-svg package 2.1.0 through 4.2.1 for Node.js uses a regular expression that is vulnerable to Regular Expression Denial of Service (ReDoS). If an attacker provides a malicious string, is-svg will get stuck processing the input for a very long time.

Affected products

• Is-Svg Project Is-Svg: from 2.1.0, up to and including 4.2.1

Published 2021-03-12. Last modified 2026-06-17.