XSS in Apache Echarts
CVE-2026-45249
A cross-site scripting (XSS) vulnerability exists in Apache ECharts in the Lines series tooltip rendering logic. This issue affects Apache ECharts: from before 6.1.0. In versions prior to 6.1.0, if both Lines series and tooltip are us…
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.001 (25.6th percentile) — read the EPSS interpretation.
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.
Affected products
- Apache Echarts
- Apache Software Foundation Echarts — versions 0
Weakness classification (CWE)
References
- security@apache.org (technical-description, Patch, patch, Issue Tracking)
- security@apache.org (Product)
- security@apache.org (Product, technical-description)
- security@apache.org (vendor-advisory, Mailing List, Vendor Advisory)
- af854a3a-2127-422b-91ae-364da2661108 (Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2026-45249?
- CVE-2026-45249 is a medium-severity vulnerability in Apache Echarts, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-05-25.
- How severe is CVE-2026-45249?
- Medium severity. CVSS v3 base score is 6.1 out of 10.