Progress Kendo UI for jQuery up to 2026.3.1015 Form hint cross site scripting

Summaryinfo

A vulnerability described as problematic has been identified in Progress Kendo UI for jQuery up to 2026.3.1015. The affected element is an unknown function of the component Form. Executing a manipulation of the argument hint can lead to cross site scripting. This vulnerability is registered as CVE-2026-124695. It is possible to launch the attack remotely. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as problematic was found in Progress Kendo UI for jQuery up to 2026.3.1015. This vulnerability affects an unknown code block of the component Form. The manipulation of the argument hint 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 Form, the items[].hint option is documented as a string but is rendered as HTML. An attacker who can influence a Form item's hint can cause attacker-controlled markup to execute as JavaScript when a user views the rendered form. Successful exploitation may compromise the confidentiality and integrity of data available in the user's browser context. The first affected version is 2020.2.513; the latest vulnerable version is 2026.3.1015. The issue is fixed in version 2026.4.1111.

The advisory is shared for download at telerik.com. This vulnerability was named CVE-2026-124695 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 known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1059.007.

Upgrading to version 2026.4.1111 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• JavaScript Library

Vendor

• Progress

Name

• Kendo UI for jQuery

Version

• 2026.3.1015

License

• commercial

CPE 2.3info

• 🔒

CPE 2.2info

• 🔒

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Once again VulDB remains the best source for vulnerability data.

Discussion