billboard.js before 3.15.1 was discovered to contain a prototype pollution via the function generate, which could allow attackers to execute arbitrary code or cause a Denial of Service (DoS) via injecting arbitrary properties.
CVE ID: CVE-2025-49223
CVSS Base Severity: CRITICAL
CVSS Base Score: 9.8
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Vendor: NAVER
Product: billboard.js
EPSS Score: 0.16% (probability of being exploited)
EPSS Percentile: 37.3% (scored less or equal to compared to others)
EPSS Date: 2025-06-21 (when was this score calculated)