Vulnerability DatabaseCVE-2026-124687
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CVE-2026-124687
Published:November 11, 2026
Updated:November 12, 2026
In Progress® Kendo® UI for jQuery versions from 2022.2.621 prior to 2026.4.1111 the DropDownButton and SplitButton allow markup injection through the "id" and "target" attributes. An attacker who can influence these item values can break out of the attributes and inject markup, including event handlers. The issue is fixed in 2026.4.1111.
Affected Packages
https://github.com/telerik/kendo-ui-core.git (GITHUB):
Affected version(s) >=2022.2.621 <2026.4.1111
Fix Suggestion:
Update to version 2026.4.1111
kendo-ui-core (NPM):
Affected version(s) >=2022.2.621 <2026.4.1111
Fix Suggestion:
Update to version 2026.4.1111
kendouicore (NUGET):
Affected version(s) >=2022.2.621 <2026.4.1111
Fix Suggestion:
Update to version 2026.4.1111
Related Resources (1)
https://www.telerik.com/kendo-jquery-ui/documentation/knowledge-base/kb-security-dropdownbutton-splitbutton-items-attribute-xss-cve-2026-124687
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CVSS v4
Base Score:
5.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
PASSIVE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
LOW
Vulnerable System Availability
LOW
Subsequent System Confidentiality
LOW
Subsequent System Integrity
LOW
Subsequent System Availability
LOW
CVSS v3
Base Score:
7.1
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
LOW
Weakness Type (CWE)
Improper Neutralization of Script-Related HTML Tags in a Web Page
CWE-80