Markup Injection Vulnerability in Kendo UI for jQuery by Progress
CVE-2026-124687

7.1HIGH

Key Information:

Vendor

Progress Software
Status
Kendo Ui For Jquery
Vendor
CVE Published:
11 November 2026

What is CVE-2026-124687?

The Kendo UI for jQuery contains a vulnerability in the DropDownButton and SplitButton components, where an attacker can exploit insufficient input validation. By manipulating the id and target attributes, it becomes possible to inject arbitrary markup, leaking event handlers or other harmful scripts. This flaw can lead to serious security risks, particularly in web applications that rely on these UI components. The issue has been rectified in version 2026.4.1111.

Affected Version(s)

Kendo UI for jQuery 2022.2.621 < 2026.4.1111

References

https://www.telerik.com/kendo-jquery-ui/documentation/kno...
vendor-advisory

CVSS V3.1

Score:
7.1
Severity:
HIGH
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Abhishek Nandkumar Bhaskar (Abhi-Hackz)
.