CVE-2026-59525 CRITICAL

CVE-2026-59525: WordPress Participants Database plugin <= 2.7.8.3 - SQL Injection vulnerability

Vendor Roland Barker

Product Participants Database

Weakness CWE-89 · SQLi

Published July 23, 2026

Last update July 23, 2026

View on NVD All CVEs

CVSS base score

9.3/10

Attack vector Network

Attack complexity Low

Privileges required None

User interaction None

Confidentiality High

Integrity None

CVSS vector

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

What the vulnerability does

01Description

Unauthenticated SQL Injection in Participants Database <= 2.7.8.3 versions.

Explanation of Vulnerability in Simple Terms

02Summary

Participants Database versions up to 2.7.8.3 contain a SQL injection vulnerability in database query handling. An attacker can craft malicious input to execute arbitrary SQL commands, potentially reading sensitive data from the database or disrupting site availability. No authentication is required to exploit this flaw.

What an attacker can do

03Attacker Capabilities

Execute arbitrary SQL queries to read or modify database contents without authentication.

Potential impact on your site

04Site Impact

Attackers can steal participant records, credentials, and other sensitive data, or cause database errors that disrupt the site.

Conditions required to exploit

05Prerequisites

Network access to the vulnerable application; no login or user interaction required.

Key dates

06Disclosure timeline

July 23, 2026 CVE published

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2026-59525 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/89.html AskarLabs — CWE-89 write-up SQL Injection

Related vulnerabilities

Identifiers

CVE CVE-2026-59525

CWE CWE-89

CVSS 9.3 / CRITICAL

Affected versions