WordPress security changelog
MEDIUM CVE-2026-66701 Deferred

Profile Builder permits unauthenticated access to protected functionality

An unauthenticated visitor can reach a Profile Builder operation that lacks the required authorization check in version 3.16.5 and earlier.

CVE / CNA score 5.3 CVSS 3.1 · audit@patchstack.com
NVD score Pending NVD has not published its own CVSS assessment.
Component
Profile Builder
Plugin slug
profile-builder
Affected
n/a through 3.16.5
Safe version
3.16.6
Published
Aug 06, 2026
Weakness
CWE-862 — Missing Authorization

This CVE was published Aug 06, 2026 and is one of 29 known issues for this plugin.

Update, patch or deactivate.

Update Profile Builder to 3.16.6 or later.

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 Profile Builder <= 3.16.5 versions.

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

Primary and upstream sources