# CVE-2026-124687: Cross-Site Scripting in DropDownButton and SplitButton Items in Kendo UI for jQuery

Status: published. Published: 2026-11-11. Updated: 2026-11-11.

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.

## Remediation

No remediation reported in collected sources

## Affected products and versions

- Progress Software / Kendo UI for jQuery: ≥ 2022.2.621; < 2026.4.1111 (affected, custom). Source: CNA: ProgressSoftware

## Severity and prioritization

- CVSS 3.1: 7.1 (high); CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L; source: CNA: ProgressSoftware

- CVSS 3.1: 7.1 (high); CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L; source: NVD: security@progress.com

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: Not available

- Weaknesses: CWE-80

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://www.telerik.com/kendo-jquery-ui/documentation/knowledge-base/kb-security-dropdownbutton-splitbutton-items-attribute-xss-cve-2026-124687 (CNA: ProgressSoftware; vendor-advisory)

- https://www.telerik.com/kendo-jquery-ui/documentation/knowledge-base/kb-security-dropdownbutton-splitbutton-items-attribute-xss-cve-2026-124687 (security@progress.com)

## Provenance

- CNA: ProgressSoftware: https://www.cve.org/CVERecord?id=CVE-2026-124687; retrieved 2026-11-11; source updated 2026-11-11

- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-124687; retrieved 2026-11-11; source updated 2026-11-11

Revision: ebfde3b15ab64a92abad525f6efbaaf54dc1b446b329b59e8707e5bb7fe8ed38

Canonical: https://y2.dev/cve/CVE-2026-124687

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