Progress Kendo UI for jQuery up to 2026.4.1109 Grid/TreeList cross site scripting

Summaryinfo

A vulnerability was found in Progress Kendo UI for jQuery up to 2026.4.1109 and classified as problematic. Impacted is an unknown function of the component Grid/TreeList. Executing a manipulation can lead to cross site scripting. This vulnerability is registered as CVE-2026-124692. It is possible to launch the attack remotely. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in Progress Kendo UI for jQuery up to 2026.4.1109. This vulnerability affects an unknown code of the component Grid/TreeList. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity. CVE summarizes:

In Progress Kendo UI for jQuery versions 2026.3.1015 up to, but not including, 2026.4.1110, the Grid and TreeList column-reorder drag clue reparses header text as HTML. An attacker who can influence a column field or title used by an affected application can cause JavaScript to execute when a user drags a column header while column reordering is enabled. Successful exploitation may compromise the confidentiality and integrity of data available in the user's browser context. The first affected release has not been established.

The advisory is shared for download at telerik.com. This vulnerability was named CVE-2026-124692 since 11/09/2026. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1059.007.

Upgrading to version 2026.4.1110 eliminates this vulnerability.

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Productinfo

Type

• JavaScript Library

Vendor

• Progress

Name

• Kendo UI for jQuery

Version

• 2026.4.1109

License

• commercial

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CPE 2.2info

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