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CVE-2026-106138— Cross-Site Scripting via Chart Tooltip in KendoReact

Quick assessment

Affected
Progress Software KendoReact
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 In Progress® KendoReact（@progress/kendo-react-charts）中，从版本 1.1.0 到 16.2.0（不含 16.2.0），图表工具提示（tooltip）在未进行 HTML 编码的情况下，直接以原始 HTML 形式渲染格式化后的数据点值，这一行为同时出现在单点工具提示和共享工具提示中。拥有较低权限的攻击者若能够影响绑定到图表的字符串值，便可构造包含事件处理程序的 HTML 代码。当用户鼠标悬停在受影响的数据点上时，这些代码将在用户浏览器中执行 JavaScript

CVSS 5.4 · Medium
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I. Basic Information for CVE-2026-106138

Vulnerability Information
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Vulnerability Title
Cross-Site Scripting via Chart Tooltip in KendoReact
Source: CVE Program / CVE List V5
Vulnerability Description
In Progress® KendoReact (@progress/kendo-react-charts) starting with version 1.1.0 and prior to 16.2.0, the default Chart tooltip renders the formatted point value as raw HTML without encoding, in both the single-point and the shared tooltip. An attacker with low privileges who can influence a string value bound to the chart can supply HTML containing event handlers that execute JavaScript in a user's browser when the user hovers over the affected data point. Successful exploitation can compromise the confidentiality and integrity of data accessible to the affected application.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
Web页面中脚本相关HTML标签转义处理不恰当(基本跨站脚本)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Progress Software KendoReact 1.1.0 ~ 16.2.0 -

II. Public POCs for CVE-2026-106138

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III. Intelligence Information for CVE-2026-106138

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Other References for CVE-2026-106138 (1)

IV. Related Vulnerabilities

Same vendor: Progress Software
Same weakness: CWE-80

V. Comments for CVE-2026-106138

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