CVE-2026-24544 MEDIUM

CVE-2026-24544: WordPress HD Quiz plugin <= 2.0.9 - Broken Access Control vulnerability

Vendor Harmonic Design

Product HD Quiz

Weakness CWE-862 · Missing authorization

Published January 23, 2026

Last update April 28, 2026

View on NVD All CVEs

CVSS base score

4.3/10

Attack vector Network

Attack complexity Low

Privileges required Low

User interaction None

Confidentiality Low

Integrity None

CVSS vector

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

What the vulnerability does

01Description

Missing Authorization vulnerability in Harmonic Design HD Quiz hd-quiz allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects HD Quiz: from n/a through <= 2.0.9.

Explanation of Vulnerability in Simple Terms

02Summary

HD Quiz versions 2.0.9 and earlier fail to properly check user permissions before allowing access to quiz data and functionality. A logged-in user with low privileges can view quiz information they should not have access to. The vulnerability requires an active user account but no special interaction from the victim.

What an attacker can do

03Attacker Capabilities

Read quiz data and information they should not have permission to access.

Potential impact on your site

04Site Impact

Quiz content may be exposed to unauthorized users; consider auditing quiz visibility and access controls.

Conditions required to exploit

05Prerequisites

Attacker must have a low-privilege user account on the site.

Key dates

06Disclosure timeline

January 23, 2026 CVE published

April 28, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2026-24544 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/862.html

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