How severe is CVE-2026-18062?

Medium severity. CVSS v3 base score is 6.4 out of 10.

XSS in Stellarwp Kadence Blocks — Page Builder Toolkit For Gutenberg Editor

CVE-2026-18062

The Kadence Blocks — Page Builder Toolkit for Gutenberg Editor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Identity Block Inner Image Content in all versions up to, and including, 3.7.8.1 due to insufficient input…

Vulnerability class: XSS (Cross-Site Scripting)

CVSS v3 metric

CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.

Affected products

Stellarwp Kadence Blocks — Page Builder Toolkit For Gutenberg Editor — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

Frequently asked questions

What is CVE-2026-18062?: CVE-2026-18062 is a medium-severity vulnerability in Stellarwp Kadence Blocks — Page Builder Toolkit For Gutenberg Editor, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2026-08-01.
How severe is CVE-2026-18062?: Medium severity. CVSS v3 base score is 6.4 out of 10.