What is CVE-2026-39721?

CVE-2026-39721 is a medium-severity vulnerability in Brainstorm Force Starter Templates, classified under Missing Authorization. CVSS score: 5.4/10. Published 2026-10-05.

How severe is CVE-2026-39721?

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

Auth bypass in Brainstorm Force Starter Templates

CVE-2026-39721

Missing Authorization vulnerability in Brainstorm Force Starter Templates astra-sites allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Starter Templates: from n/a through 4.7.7.

Vulnerability class: Broken Access Control

Published 2026-10-05 · last modified 2026-10-05.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L.

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

Brainstorm Force Starter Templates

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

patchstack.com/database/wordpress/plugin/astra-sites/vulnerability/wordpress-st… (vdb-entry)

Frequently asked questions

What is CVE-2026-39721?: CVE-2026-39721 is a medium-severity vulnerability in Brainstorm Force Starter Templates, classified under Missing Authorization. CVSS score: 5.4/10. Published 2026-10-05.
How severe is CVE-2026-39721?: Medium severity. CVSS v3 base score is 5.4 out of 10.