Vulnerability in Nexcess Gutenberg Blocks By Kadence

CVE-2026-66696

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

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.003 (22.2th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 22nd percentile — 22.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-66696: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Weakness classification (CWE)

References

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.