WordPress security changelog
CRITICAL CVE-2026-59525 Deferred

Participants Database: SQL injection

Participants Database is affected by SQL injection. The vulnerable path is reachable without authentication. A successful request can alter database queries and expose or modify WordPress data. The published affected range is n/a through 2.7.8.3.

CVE / CNA score 9.3 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 2.7.8.3
Safe version
2.7.8.4
Published
Jul 23, 2026
Weakness
CWE-89 — Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

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 2.7.8.4 or later, or disable and remove it until a fixed version is available.

Technical description

Unauthenticated SQL Injection in Participants Database <= 2.7.8.3 versions.

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

Primary and upstream sources