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Product · harmonic_design

HD Quiz

3 known vulnerabilities.

All Critical High Medium Low Exploited only Public exploit

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  • Medium 4.3
    CVE-2026-13422

    HD Quiz 2.2.0 - 2.2.1 - Cross-Site Request Forgery via Multiple AJAX Handlers

    The HD Quiz plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions 2.2.0 to 2.2.1. This is due to missing or incorrect nonce validation on the hdq_validate_nonce function. This makes it possible for unauthenticated attackers to delete or…

    harmonic_design HD Quiz Web / CMS
  • Medium 4.3
    CVE-2026-24544

    WordPress HD Quiz plugin <= 2.0.9 - Broken Access Control vulnerability

    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.

    harmonic_design HD Quiz
  • Medium 5.9
    CVE-2024-22161

    WordPress HD Quiz Plugin <= 1.8.11 is vulnerable to Cross Site Scripting (XSS)

    Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Harmonic Design HD Quiz allows Stored XSS.This issue affects HD Quiz: from n/a through 1.8.11.

    harmonic_design HD Quiz