What is CVE-2026-1513?

CVE-2026-1513 is a medium-severity vulnerability in Naver Billboard.js, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-01-28.

How severe is CVE-2026-1513?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Naver Billboard.js

CVE-2026-1513

billboard.js before 3.18.0 allows an attacker to execute malicious JavaScript due to improper sanitization during chart option binding.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2026-01-28 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.002 (8.9th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 9th percentile — 8.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000

Affected products

Naver Billboard.js — versions 3.18.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

cve.naver.com/detail/cve-2026-1513.html (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2026-1513?: CVE-2026-1513 is a medium-severity vulnerability in Naver Billboard.js, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-01-28.
How severe is CVE-2026-1513?: Medium severity. CVSS v3 base score is 6.1 out of 10.