What is CVE-2026-66696?

CVE-2026-66696 is a medium-severity vulnerability in Nexcess Gutenberg Blocks By Kadence, classified under Insertion of Sensitive Information into Sent Data. CVSS score: 4.3/10. Published 2026-08-06.

How severe is CVE-2026-66696?

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

Vulnerability in Nexcess Gutenberg Blocks By Kadence

CVE-2026-66696

Contributor Sensitive Data Exposure in Gutenberg Blocks by Kadence Blocks <= 3.7.8 versions.

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:L/I:N/A:N.

Affected products

Nexcess Gutenberg Blocks By Kadence — versions n/a

Weakness classification (CWE)

CWE-201 — Insertion of Sensitive Information into Sent Data

References

audit@patchstack.com (vdb-entry)

Frequently asked questions

What is CVE-2026-66696?: CVE-2026-66696 is a medium-severity vulnerability in Nexcess Gutenberg Blocks By Kadence, classified under Insertion of Sensitive Information into Sent Data. CVSS score: 4.3/10. Published 2026-08-06.
How severe is CVE-2026-66696?: Medium severity. CVSS v3 base score is 4.3 out of 10.