Progress Kendo UI for jQuery up to 2026.3.1014 Validator cross site scripting

Summaryinfo

A vulnerability identified as problematic has been detected in Progress Kendo UI for jQuery up to 2026.3.1014. This affects an unknown part of the component Validator. The manipulation leads to cross site scripting. This vulnerability is listed as CVE-2026-106151. The attack may be initiated remotely. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Progress Kendo UI for jQuery up to 2026.3.1014. This issue affects some unknown functionality of the component Validator. 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 starting with 2012.2.710 and prior to 2026.3.1015, the Validator decodes validation messages from data-msg-* attributes and parses the resulting text as HTML. An attacker who can modify a validation message can cause HTML that was correctly escaped in the page attribute to become active markup, including event handlers, when the user triggers validation. Successful exploitation can execute JavaScript in a user's browser and compromise the confidentiality and integrity of data accessible to the affected application. This issue is fixed in version 2026.3.1015.

The advisory is shared at telerik.com. The identification of this vulnerability is CVE-2026-106151 since 10/06/2026. The exploitation is known to be easy. The attack may be initiated remotely. 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 2026.3.1015 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-102078). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

• JavaScript Library

Vendor

• Progress

Name

• Kendo UI for jQuery

Version

• 2026.3.1014

License

• commercial

CPE 2.3info

• 🔒

CPE 2.2info

• 🔒

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If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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