What is CVE-2026-106142?

CVE-2026-106142 is a medium-severity vulnerability in Progress Software Kendoreact, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-11-06.

How severe is CVE-2026-106142?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Progress Software Kendoreact

CVE-2026-106142

Cross-Site Scripting (XSS) in the Editor component (@progress/kendo-react-editor) in Progress Software KendoReact versions 2.7.0 through 16.1.0 allows a low-privileged attacker who can supply Editor content to execute arbitrary JavaScript in another user's browser via a link with an unsafe URL in the Editor content, which runs when the user clicks the link.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2026-11-06 · last modified 2026-11-06.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Progress Software Kendoreact

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

www.telerik.com/kendo-react-ui/components/knowledge-base/kb-security-editor-xss… (vendor-advisory)

Frequently asked questions

What is CVE-2026-106142?: CVE-2026-106142 is a medium-severity vulnerability in Progress Software Kendoreact, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-11-06.
How severe is CVE-2026-106142?: Medium severity. CVSS v3 base score is 5.4 out of 10.