Progress Kendo UI for jQuery up to 2026.4.1109 PropertyGrid cross site scripting

Summaryinfo

A vulnerability was found in Progress Kendo UI for jQuery up to 2026.4.1109. It has been classified as problematic. The affected element is an unknown function of the component PropertyGrid. The manipulation leads to cross site scripting. This vulnerability is documented as CVE-2026-124694. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Progress Kendo UI for jQuery up to 2026.4.1109. This issue affects an unknown code block of the component PropertyGrid. The manipulation with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to 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. Impacted is integrity. The summary by CVE is:

In Progress Kendo UI for jQuery versions 2026.3.1015 up to, but not including, 2026.4.1110, PropertyGrid does not encode bound property values and items[].description in its default configuration. An attacker who can influence either value can cause JavaScript to execute when a user views the grid. 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 at telerik.com. The identification of this vulnerability is CVE-2026-124694 since 11/09/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

Upgrading to version 2026.4.1110 eliminates this vulnerability.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• JavaScript Library

Vendor

• Progress

Name

• Kendo UI for jQuery

Version

• 2026.4.1109

License

• commercial

CPE 2.3info

• 🔒

CPE 2.2info

• 🔒

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Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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