WordPress security changelog
MEDIUM CVE-2026-66595 Deferred

WP Data Access exposes an operation without required authorization

WP Data Access <= 5.5.80 fails to enforce authorization on an operation reachable by an unauthenticated attacker. The CVSS vector assigns confidentiality (high); the precise read or write.

CVE / CNA score 5.9 CVSS 3.1 · audit@patchstack.com
NVD score Pending NVD has not published its own CVSS assessment.
Component
WP Data Access
Plugin slug
wp-data-access
Affected
n/a through 5.5.80
Safe version
5.5.81
Published
Aug 20, 2026
Weakness
CWE-862 — Missing Authorization

This CVE was published Aug 20, 2026 and is one of 12 known issues for this plugin.

Update, patch or deactivate.

Update WP Data Access to 5.5.81 or later. Review activity by the stated attacker class and investigate unexpected data access, state changes, files or sessions relevant to this vulnerability class.

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 Data Access <= 5.5.80 versions.

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

Primary and upstream sources