What is CVE-2026-12904?

CVE-2026-12904 is a medium-severity vulnerability in Stellarwp Kadence Blocks — Page Builder Toolkit For Gutenberg Editor, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 4.3/10. Published 2026-07-01.

How severe is CVE-2026-12904?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Auth bypass in Stellarwp Kadence Blocks — Page Builder Toolkit For Gutenberg Editor

CVE-2026-12904

The Kadence Blocks – Gutenberg Blocks for Page Builder Features plugin for WordPress is vulnerable to Insecure Direct Object Reference in versions up to and including 3.7.7. This is due to a mismatch between the object used for authorizati…

Vulnerability class: IDOR (Insecure Direct Object Reference)

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

Affected products

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

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

Frequently asked questions

What is CVE-2026-12904?: CVE-2026-12904 is a medium-severity vulnerability in Stellarwp Kadence Blocks — Page Builder Toolkit For Gutenberg Editor, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 4.3/10. Published 2026-07-01.
How severe is CVE-2026-12904?: Medium severity. CVSS v3 base score is 4.3 out of 10.