What is CVE-2026-84821?

CVE-2026-84821 is a high-severity vulnerability in Epsiloncool Wp Fast Total Search, classified under Missing Authorization. CVSS score: 7.5/10. Published 2026-09-10.

How severe is CVE-2026-84821?

High severity. CVSS v3 base score is 7.5 out of 10.

Auth bypass in Epsiloncool Wp Fast Total Search

CVE-2026-84821

Unauthenticated Broken Access Control in WP Fast Total Search <= 1.82.284 versions.

Vulnerability class: Broken Access Control

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Epsiloncool Wp Fast Total Search

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

audit@patchstack.com (vdb-entry)

Frequently asked questions

What is CVE-2026-84821?: CVE-2026-84821 is a high-severity vulnerability in Epsiloncool Wp Fast Total Search, classified under Missing Authorization. CVSS score: 7.5/10. Published 2026-09-10.
How severe is CVE-2026-84821?: High severity. CVSS v3 base score is 7.5 out of 10.