CVE-2026-66451 MEDIUM

CVE-2026-66451: WordPress WP Event SOlution plugin <= 4.1.9 - Broken Authentication vulnerability

Vendor Arraytics
Product WP Event SOlution
Weakness CWE-288
Published August 6, 2026
Last update August 6, 2026

CVSS base score

6.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality Low
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Unauthenticated Broken Authentication in WP Event SOlution <= 4.1.9 versions.

Explanation of Vulnerability in Simple Terms

02Summary

WP Event Solution versions up to 4.1.9 contain an authentication bypass vulnerability that allows attackers to access the plugin without proper credentials. The flaw exists in an alternate authentication path or channel, enabling unauthorized access to sensitive functionality. Site administrators should update to a version newer than 4.1.9 immediately.

What an attacker can do

03Attacker Capabilities

Bypass authentication and access the plugin without valid credentials.

Potential impact on your site

04Site Impact

Unauthorized users can access WP Event Solution features and potentially view or modify event data.

Conditions required to exploit

05Prerequisites

Network access to the WordPress site; no authentication or user interaction required.

Key dates

06Disclosure timeline

August 6, 2026 CVE published
August 6, 2026 Record updated

Related vulnerabilities

08Related CVE