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.
Severity
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
EPSS
0.2% estimated probability of exploitation activity in the next 30 days; 9th percentile. Scored 2026-11-13. A forecast for this CVE across the internet, not for your own systems.
CWE
CWE-80Improper Neutralization of Script-Related HTML Tags in a Web Page
Show the promptExplain CVE-2026-124687 for an engineer deciding whether to act. Use https://cve.bz/api/public/cves/CVE-2026-124687?via=ask-ai-copy and https://cve.bz/cve/CVE-2026-124687?via=ask-ai-copy as the source of truth: what is affected and which versions fix it, whether it is in CISA KEV, public exploits, and its EPSS (an internet-wide 30-day estimate of exploitation activity, not a forecast for my systems). If they give no fixed versions, use the CVE record https://cveawg.mitre.org/api/cve/CVE-2026-124687 or the vendor advisory, not third-party mirrors. Tell me how to check whether I am affected and how to verify a fix. Cite the sources and say where they are uncertain.
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