Cross-Site Scripting in DropDownButton and SplitButton Items in Kendo UI for jQuery

published 2026-11-11 18h ago modified 2026-11-11 17h ago also EUVD-2026-123580

cvss: 7.1; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: —; no EPSS score yet
public exploits: 0; none known

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.

Patch / fix

fixed in 1

Progress Software Kendo UI for jQuery 2026.4.1111

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CVSS scores

assigned by	version	score	vector
CNA	3.1	7.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

Affected products

Progress Software Kendo UI for jQuery

Classification

Weakness

CWE-80 Improper Neutralization of Script-Related HTML Tags in a Web Page

References

telerik.com /kendo-jquery-ui/documentation/knowledge-base/kb-security-dropdownbutton-splitbutton-items-attribute-xss-cve-2
vendor-advisory

Sources

CVE List CVE-2026-124687
NVD CVE-2026-124687

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