CVE-2026-106153

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

Published Oct 15, 2026 CVSS 3.1 · 5.4 Medium EPSS < 1% KEV · Not listed
Description
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.

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 kendo Ui
CPEs cpe:2.3:a:progress:kendo_ui:*:*:*:*:*:*:*:*
Vendors & Products Progress kendo Ui
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
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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.
Title Cross-site Scripting (XSS) in Kendo UI for jQuery Calendar and MultiViewCalendar
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
ProgressSoftware
Published
Updated
Oct 15, 2026, 6:24 PM
Reserved
Oct 6, 2026, 3:51 PM
Status
Analyzed
Published
Oct 15, 2026, 3:17 PM
Modified
Oct 20, 2026, 7:38 PM