Cyber Resilience

CVE-2025-67977

High

Published: 20 February 2026

Published
20 February 2026
Modified
27 April 2026
KEV Added
—
Patch
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CVSS Score v3.1 8.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L
EPSS Score 0.0027 18.4th percentile
Risk Priority 55 floored blend · peak EPSS

Summary

CVE-2025-67977 is a high-severity Missing Authorization (CWE-862) vulnerability. Its CVSS base score is 8.2 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 18.4th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

The strongest mitigations our analysis identified are NIST 800-53 AC-3 (Access Enforcement) and SI-2 (Flaw Remediation).

Deeper analysis

CVE-2025-67977 is a missing authorization vulnerability, classified under CWE-862, in the VillaTheme HAPPY happy-helpdesk-support-ticket-system WordPress plugin. The flaw enables exploiting incorrectly configured access control security levels and affects all versions from n/a through 1.0.8. It was published on 2026-02-20 with a CVSS v3.1 base score of 8.2 (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L).

Unauthenticated remote attackers can exploit this vulnerability over the network with low attack complexity and no user interaction required. Exploitation results in high integrity impact, allowing unauthorized modifications, and low availability impact, with no confidentiality impact due to the unchanged scope.

The Patchstack advisory provides further details on this broken access control vulnerability in the WordPress HAPPY plugin version 1.0.8, available at https://patchstack.com/database/Wordpress/Plugin/happy-helpdesk-support-ticket-system/vulnerability/wordpress-happy-plugin-1-0-8-broken-access-control-vulnerability?_s_id=cve.

OWASP Top 10 for Web (2025)

A01:2025 Broken Access Control

EU & UK References

Vulnerability details

Missing Authorization vulnerability in VillaTheme HAPPY happy-helpdesk-support-ticket-system allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects HAPPY: from n/a through <= 1.0.8.

CWE(s)
CWE-862

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
attack.mitre.org →
Why these techniques?

Missing authorization (CWE-862) in public-facing WordPress plugin directly enables remote unauthenticated exploitation of the web application.

Confidence: HIGH · MITRE ATT&CK Enterprise v19.0

CVEs Like This One

CVE-2025-69311Shared CWE-862
CVE-2026-3266Shared CWE-862
CVE-2026-45438Shared CWE-862
CVE-2025-23477Shared CWE-862
CVE-2025-68834Shared CWE-862
CVE-2026-22663Shared CWE-862
CVE-2024-12544Shared CWE-862
CVE-2024-50967Shared CWE-862
CVE-2025-68059Shared CWE-862
CVE-2025-14070Shared CWE-862

Affected Assets

Mitigating Controls

Mitigating Controls (NIST 800-53 r5) AI

AC-3 Access Enforcement good match
prevent

Enforces approved authorizations for access to system resources, directly mitigating the missing authorization vulnerability in the HAPPY plugin.

SI-2 Flaw Remediation good match
prevent

Requires identification, reporting, and correction of flaws such as this broken access control vulnerability through timely patching of the affected plugin versions.

AC-6 Least Privilege partial match
prevent

Employs least privilege to restrict unauthorized modifications even if access enforcement is bypassed in the plugin.

References