CVE-2026-39593 MEDIUM

CVE-2026-39593: WordPress HAPPY plugin <= 1.0.10 - Broken Access Control vulnerability

Vendor Villatheme

Product HAPPY

Weakness CWE-862 · Missing authorization

Published May 21, 2026

Last update May 21, 2026

View on NVD All CVEs

CVSS base score

6.5/10

Attack vector Network

Attack complexity Low

Privileges required None

User interaction None

Confidentiality None

Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Missing Authorization vulnerability in VillaTheme HAPPY allows Exploiting Incorrectly Configured Access Control Security Levels. This issue affects HAPPY: from n/a through 1.0.10.

Explanation of Vulnerability in Simple Terms

02Summary

HAPPY by VillaTheme versions up to 1.0.10 lack proper authorization checks, allowing unauthenticated attackers to modify data or disrupt service. The vulnerability requires no user interaction and can be exploited over the network. Site administrators should update to a version newer than 1.0.10 as soon as possible.

What an attacker can do

03Attacker Capabilities

Modify data or disrupt service without authentication.

Potential impact on your site

04Site Impact

Unauthorized users can alter site content or cause downtime without logging in.

Conditions required to exploit

05Prerequisites

Network access only; no authentication or user interaction required.

Key dates

06Disclosure timeline

May 21, 2026 CVE published

May 21, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2026-39593 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/862.html AskarLabs — CWE-862 write-up Missing Authorization

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