CVE-2026-124688

Cross-Site Scripting via the spriteCssClass Field in Kendo UI for jQuery

Published Nov 11, 2026 CVSS 3.1 · 7.1 High EPSS < 1% KEV · Not listed
Description
In Progress® Kendo® UI for jQuery prior to 2026.4.1111 the TabStrip, PanelBar, and Menu widgets support mapping a dataSource field to `spriteCssClass`. If an attacker can control the mapped data, they can break out of the attribute and inject markup, including event-handler attributes. The resulting JavaScript executes in the application's origin when a victim loads a page that renders the affected widget, allowing access to data and actions available in the victim's authenticated session.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Progress
Progress kendo Ui For Jquery
Vendors & Products Progress
Progress kendo Ui For Jquery
Type Values Removed Values Added
Description In Progress® Kendo® UI for jQuery prior to 2026.4.1111 the TabStrip, PanelBar, and Menu widgets support mapping a dataSource field to `spriteCssClass`. If an attacker can control the mapped data, they can break out of the attribute and inject markup, including event-handler attributes. The resulting JavaScript executes in the application's origin when a victim loads a page that renders the affected widget, allowing access to data and actions available in the victim's authenticated session.
Title Cross-Site Scripting via the spriteCssClass Field in Kendo UI for jQuery
Weaknesses CWE-80
References
Metrics cvssV3_1

{'score': 7.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
ProgressSoftware
Published
Updated
Nov 11, 2026, 4:44 PM
Reserved
Nov 9, 2026, 10:41 AM
Status
Awaiting Analysis
Published
Nov 11, 2026, 5:17 PM
Modified
Nov 11, 2026, 5:17 PM