CVE-2026-45249— Apache ECharts: XSS in Lines series tooltip rendering
Possible ATT&CK Techniques 1AI
T1189 · Drive-by CompromiseAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Apache Software Foundation | Apache ECharts | < 6.1.0 | affected |
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I. Basic Information for CVE-2026-45249
Vulnerability Information
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Vulnerability Title
Apache ECharts: XSS in Lines series tooltip rendering
Source: NVD (National Vulnerability Database)
Vulnerability Description
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 used, and no user-specified tooltip.formatter is provided, and series.data[i].name is specified, raw HTML string series.data[i].name can be rendered through innerHTML sink into tooltip content. Although tooltip is allowed to accept user-provided raw HTML via a custom tooltip.formatter, the built-in tooltip formatters conventionally perform HTML escaping automatically. This case breaks that convention and may unexpectedly lead to script execution when tooltips are displayed. Users are recommended to upgrade to version 6.1.0 if using the Lines series in this way, which fixes the issue.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: NVD (National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Apache Software Foundation | Apache ECharts | 0 ~ 6.1.0 | - |
II. Public POCs for CVE-2026-45249
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2026-45249 (1)
Mailing List Discussions for CVE-2026-45249 (1)
Other References for CVE-2026-45249 (2)
- 🔗 Security Guidelines - Best Practices - Handbook - Apache ECharts Read full article technical-description
Same Patch Batch · Apache Software Foundation · 2026-05-25 · 9 CVEs total
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Same weakness: CWE-79
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