CVE-2026-106153

MEDIUM 5.4

Cross-site Scripting (XSS) in Kendo UI for jQuery Calendar and MultiViewCalendar

CVSS Score

5.4

EPSS Score

0.0%

EPSS Percentile

0th

In Progress® Kendo® UI for jQuery prior to version 2026.3.1015, the Calendar and MultiViewCalendar month content templates render data.url and data.title without proper URL sanitization and HTML attribute encoding. An attacker with low privileges who can control the URL option or culture-derived title values can supply a JavaScript URL or inject event-handler attributes. When a user interacts with an affected calendar, JavaScript can execute in the user's browser context and compromise 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

2011.3.1007 < 2026.3.1015

References

NVD ↗ CVE.org ↗ EPSS Data ↗

telerik.com: https://www.telerik.com/kendo-jquery-ui/documentation/knowledge-base/kb-security-calendar-month-template-xss-cve-2026-106153

Credits

Abhishek Nandkumar Bhaskar (Abhi-Hackz)