WordPress security changelog
MEDIUM CVE-2026-27423 Deferred

Participants Database: A security weakness

Participants Database is affected by a security weakness. Exposure depends on how the affected operation is made reachable by the site. The resulting impact depends on how the affected component exposes the vulnerable operation. The published affected range is n/a through 2.7.8.4.

CVE / CNA score 4.3 CVSS 3.1 · audit@patchstack.com
NVD score Pending NVD has not published its own CVSS assessment.
Component
Participants Database
Plugin slug
participants-database
Affected
n/a through 2.7.8.4
Safe version
> 2.7.8.4
Published
Jul 23, 2026
Weakness
CWE-862 — Missing Authorization

This CVE was published Jul 23, 2026 and is one of 10 known issues for this plugin.

Patch or disable the affected component.

Update Participants Database to a release after 2.7.8.4, or disable and remove it until a fixed version is available.

Technical description

Subscriber Broken Access Control in Participants Database <= 2.7.8.4 versions.

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

Primary and upstream sources