Participants Database <= 2.7.8.4 - Missing Authorization

4.3
Missing Authorization
CVE CVE-2026-27423
CVSS 4.3 (Medium)
Publicly Published July 22, 2026
Last Updated August 14, 2026
Researcher Legion Hunter

Description

The Participants Database plugin for WordPress is vulnerable to unauthorized access due to a missing capability check on a function in versions up to, and including, 2.7.8.4. This makes it possible for authenticated attackers, with subscriber-level access and above, to perform an unauthorized action.

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Vulnerability Details for Participants Database

Software Type Plugin
Software Slug participants-database (view on wordpress.org)
Patched? Yes
Remediation Update to version 2.7.8.5, or a newer patched version
Affected Version
  • <= 2.7.8.4
Patched Version
  • 2.7.8.5

Recent vulnerabilities in Participants Database

# Title CVE ID CVSS Researchers Date
1 Participants Database <= 2.7.8.4 - Unauthenticated Arbitrary File Deletion CVE-2026-28189 9.1 VanTastic August 13, 2026
2 Participants Database < 2.7.8.4 - Unauthenticated SQL Injection CVE-2026-13596 7.5 João Ramos Maciel August 5, 2026
3 Participants Database <= 2.7.8.3 - Missing Authorization to Unauthenticated Arbitrary Record Update / Sensitive Information Exposure via 'id' Parameter CVE-2026-11354 5.3 mad4cyber July 23, 2026
4 Participants Database <= 2.7.8.3 - Unauthenticated SQL Injection CVE-2026-59525 7.5 L4m July 22, 2026
5 Participants Database <= 2.7.8.3 - Unauthenticated Arbitrary File Deletion CVE-2026-59555 9.1 hhhai July 22, 2026
6 Participants Database <= 2.7.6.3 - Authenticated (Contributor+) Stored Cross-Site Scripting CVE-2025-58008 6.4 zaim September 22, 2025
7 Participants Database <= 2.5.9.2 - Unauthenticated PHP Object Injection CVE-2024-43141 8.1 LVT-tholv2k August 7, 2024
8 Participants Database <= 2.5.5 - Missing Authorization CVE-2023-48751 5.3 beluga November 27, 2023
9 Participants Database <= 2.4.9 - Authenticated(Administrator+) Stored Cross-Site Scripting via plugin settings 4.4 May 3, 2023
10 Participants Database <= 2.4.9 - Cross-Site Request Forgery via _process_general CVE-2023-31235 5.4 Skalucy May 3, 2023

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