Unauthenticated Broken Authentication in WP Event Solution by WordPress
CVE-2026-66451

6.5MEDIUM

Key Information:

Vendor

WordPress

Vendor
CVE Published:
6 August 2026

What is CVE-2026-66451?

The WP Event Solution plugin for WordPress versions up to 4.1.9 is susceptible to an unauthenticated broken authentication issue, which could allow attackers to exploit user credentials and gain unauthorized access. This vulnerability can lead to severe consequences, including unauthorized actions on behalf of users, data breaches, and potential system compromise. It is crucial for users and administrators to apply updates and take proactive measures to secure their installations.

Affected Version(s)

WP Event SOlution <= 4.1.9

References

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Evan NR | Patchstack Bug Bounty Program
.