What is CVE-2026-106143?

CVE-2026-106143 is a medium-severity vulnerability in Progress Software Kendo Ui For Vue, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-11-06.

How severe is CVE-2026-106143?

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

XSS in Progress Software Kendo Ui For Vue

CVE-2026-106143

Cross-Site Scripting (XSS) in the Editor component (@progress/kendo-vue-editor) in Progress Software Kendo UI for Vue versions 2.7.1 through 10.0.0 allows a low-privileged attacker who can supply Editor content to execute arbitrary JavaScript in another user's browser via an unsafe URL entered in the Insert Link or Insert Image dialog, which runs when the user clicks the resulting 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 Kendo Ui For Vue

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

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

Frequently asked questions

What is CVE-2026-106143?: CVE-2026-106143 is a medium-severity vulnerability in Progress Software Kendo Ui For Vue, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-11-06.
How severe is CVE-2026-106143?: Medium severity. CVSS v3 base score is 5.4 out of 10.