Vulnerability · Published Nov 3, 2026 · Assigned by naver
CVE-2026-120988
Medium 6.1
In plain English
A medium-severity cross-site scripting in billboard.js from NAVER. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 5% of all known vulnerabilities).
Severity (CVSS 3.1)6.1Medium
Exploit odds (30 days)0.2%top 95.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
billboard.js before 4.1.3 allows an attacker to execute malicious JavaScript due to improper sanitization of series ids during legend template rendering.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| NAVER | billboard.js | see references |
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N