CVE-2026-106158 — Cross-Site Scripting via Scheduler Resource Colors in Kendo UI for jQuery

Description (CNA)

In Progress® Kendo® UI for jQuery, in v2026.3.811 and earlier, the Scheduler Day, Timeline, Month, and Agenda views insert resource color values into quoted event wrapper attributes without proper encoding. An attacker who can control a resource color can inject additional HTML attributes, including event handlers, and execute JavaScript in a user's browser when the affected event is interacted with. Successful exploitation can compromise the confidentiality and integrity of data accessible to the affected application. The earliest affected version has not been confirmed. This issue is fixed in version 2026.3.1015.

Affected (CNA)

Vendor / product	Versions
Progress Software / Kendo UI for jQuery	affected 2014.3.1119 before 2026.3.1015

CWE

CWE-80

References

https://www.telerik.com/kendo-jquery-ui/documentation/knowledge-base/kb-security-scheduler-resource-color-xss-cve-2026-106158

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.