CVE-2026-106147 Cross-Site Scripting via ListBox Bound Text in Kendo UI for jQuery

Medium 5.4 Published 15 Oct 2026 Updated 15 Oct 2026

An attacker can execute arbitrary JavaScript in a user's browser by injecting HTML into ListBox bound data, compromising application confidentiality and integrity.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2026-106147?

CVE-2026-106147 is a medium-severity cross-site scripting vulnerability in Progress Software Kendo UI for jQuery, published on 15 Oct 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

In Progress® Kendo® UI for jQuery releases starting with R1 2020 and prior to 2026.3.1015, the ListBox default item template renders the bound dataTextField value as raw HTML without encoding. An attacker who can modify the bound data can supply HTML containing event handlers that execute JavaScript in a user's browser when the affected list item is rendered. Successful exploitation can compromise the confidentiality and integrity of data accessible to the affected application. This issue is fixed in version 2026.3.1015.

Weakness: CWE-80

Which versions are affected by CVE-2026-106147?

It affects 1 product.

Products include Progress Kendo Ui.

How do I fix CVE-2026-106147?

No fix has been published for CVE-2026-106147 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2026-106147 being exploited?

There is no known exploitation of CVE-2026-106147 in the wild and no public exploit code.

Sources

Also known as GHSA-fwm7-3vhc-37pw.