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CVE-2026-124689— Cross-Site Scripting in Kendo UI for jQuery ActionSheet Header Labels

Quick assessment

Affected
Progress Software Kendo UI for jQuery
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 Progress Kendo UI for jQuery 的 2026.3.1014 版本至（但不包括）2026.4.1110 版本中，ActionSheet 组件在渲染前未对标题（title）、副标题（subtitle）以及页头按钮标签（header button label）的值进行编码。若攻击者能够影响这些值，即可注入恶意标记，当用户打开 ActionSheet 时，该标记将以 JavaScript 形式执行。成功利用此漏洞可能危及用户浏览器上下文中数据的机密性和完整性。该报告指出受影响版本为 2026.

CVSS 7.1 · High

Affected Version Matrix 2

VendorProduct Version RangeStatus
Progress Software Kendo UI for jQuery 2026.3.1014< 2026.4.1110 affected
2026.4.1110 unaffected
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I. Basic Information for CVE-2026-124689

Vulnerability Information
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Vulnerability Title
Cross-Site Scripting in Kendo UI for jQuery ActionSheet Header Labels
Source: CVE Program / CVE List V5
Vulnerability Description
In Progress Kendo UI for jQuery versions 2026.3.1014 up to, but not including, 2026.4.1110, ActionSheet does not encode title, subtitle, and header button label values before rendering them. An attacker who can influence these values can inject markup that executes as JavaScript when a user opens the ActionSheet. Successful exploitation may compromise the confidentiality and integrity of data available in the user's browser context. The report identifies version 2026.3.1014; the first affected release has not been established.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Source: CVE Program / CVE List V5
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: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Progress Software Kendo UI for jQuery 2026.3.1014 ~ 2026.4.1110 -

II. Public POCs for CVE-2026-124689

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III. Intelligence Information for CVE-2026-124689

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Other References for CVE-2026-124689 (1)

Same Patch Batch · Progress Software · 2026-11-11 · 12 CVEs total

CVE-2026-106152 8.8 HIGH External Control of Configuration Setting in Telerik Report Server
CVE-2026-106156 8.6 HIGH Uncontrolled Resource Consumption in Telerik UI for ASP.NET Core Server-side Aggregation
CVE-2026-106137 8.6 HIGH ClassFactory Race Condition and Retained Assembly Memory in Telerik UI for ASP.NET MVC
CVE-2026-124687 7.1 HIGH Cross-Site Scripting in DropDownButton and SplitButton Items in Kendo UI for jQuery
CVE-2026-124688 7.1 HIGH Cross-Site Scripting via the spriteCssClass Field in Kendo UI for jQuery
CVE-2026-124690 7.1 HIGH Cross-Site Scripting During Kendo UI for jQuery Custom SVG Icon Sanitization
CVE-2026-124692 7.1 HIGH Cross-Site Scripting in Kendo UI for jQuery Grid and TreeList Column Reordering
CVE-2026-124694 7.1 HIGH Cross-Site Scripting in Kendo UI for jQuery PropertyGrid Values and Descriptions
CVE-2026-124693 7.1 HIGH Cross-Site Scripting in Kendo UI for jQuery PivotGrid Axis Chips
CVE-2026-106133 6.3 MEDIUM Incorrect Authorization in Telerik Report Server Web Report Designer
CVE-2026-124686 5.4 MEDIUM JavaScript Code Injection through kendo.init() in Kendo UI for jQuery

IV. Related Vulnerabilities

Same product: Kendo UI for jQuery
Same vendor: Progress Software
Same weakness: CWE-79