CVE-2026-106150

MEDIUM 5.4

Cross-site Scripting (XSS) in Kendo UI for jQuery Splitter, Window, and Tooltip

CVSS Score

5.4

EPSS Score

0.0%

EPSS Percentile

0th

In Progress® Kendo® UI for jQuery prior to 2026.3.1015, the Splitter and Window components starting with version 2011.2.804 and the Tooltip component starting with version 2013.1.319 construct iframe markup without properly sanitizing URL values or encoding the Window iframe title. An attacker with low privileges who can control these values can inject HTML attributes, including JavaScript event handlers, through an apostrophe in an iframe URL or a crafted title. When a user interacts with the affected component, injected JavaScript can execute in the user's browser context, compromising the confidentiality and integrity of accessible data.

CWE	CWE-79
Vendor	progress software
Product	kendo ui for jquery
Published	Oct 15, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Affected Versions

Progress Software / Kendo UI for jQuery

2013.1.319 < 2026.3.1015 2011.2.804 < 2026.3.1015

References

NVD ↗ CVE.org ↗ EPSS Data ↗

telerik.com: https://www.telerik.com/kendo-jquery-ui/documentation/knowledge-base/kb-security-cross-site-scripting-splitter-window-tooltip-cve-2026-106150

Credits

Abhishek Nandkumar Bhaskar (Abhi-Hackz)