WordPress security changelog
HIGH CVE-2026-84821 Deferred

WP Fast Total Search exposes protected data without authorization

WP Fast Total Search through 1.82.284 has an unauthenticated missing-authorization flaw. The CNA rates confidentiality impact as high: an attacker needs neither an account nor another user's interaction to reach the affected protected data.

CVE / CNA score 7.5 CVSS 3.1 · audit@patchstack.com
NVD score Pending NVD has not published its own CVSS assessment.
Component
WP Fast Total Search
Plugin slug
fulltext-search
Affected
n/a through 1.82.284
Safe version
1.83.286
Published
Sep 10, 2026
Weakness
CWE-862 — Missing Authorization

This CVE was published Sep 10, 2026 and is one of 12 known issues for this plugin.

Update, patch or deactivate.

Update WP Fast Total Search to 1.83.286 or later. The authoritative export explicitly marks this release unaffected by this vulnerability.

A safe version is available, so updating to that version or later is the preferred remediation. If an immediate update is not practical, consider a targeted application patch or temporarily restricting the affected functionality.

Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.

Technical description

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

CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Primary and upstream sources