CVE-2026-13422

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 hdqvalidatenonce function. This makes it possible for unauthenticated attackers to delete or modify quizzes and questions, create ne...

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 hdqvalidatenonce function. This makes it possible for unauthenticated attackers to delete or modify quizzes and questions, create ne...

CVE-2026-13422

The CVE concerns the WordPress plugin HD Quiz (WordPress) versions 2.2.0–2.2.1. The root cause is missing or incorrect nonce validation in the hdq_validate_nonce function, enabling Cross-Site Request Forgery. This allows unauthenticated attackers to delete or modify quizzes and questions, create ...

WordPress plugin HD Quiz security vulnerabilities

WordPress and WordPress plugins are both products of the WordPress Foundation. WordPress is a blog platform developed using the PHP language. This platform allows for the creation of personal blog websites on servers based on PHP and MySQL. A WordPress plugin is an application that can be install...

EUVD-2021-11483

Malware in sbrugna...

CVE-2021-24571

The HD Quiz WordPress plugin before 1.8.4 does not escape some of its Answers before outputting them in attribute when generating the Quiz, which could lead to Stored Cross-Site Scripting issues...

CVE-2024-13383

The HD Quiz WordPress plugin before 2.0.0 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfilteredhtml capability is disallowed for example in multisite setup...

CVE-2024-13383 HD Quiz < 2.0.0 - Editor+ Stored XSS

The HD Quiz WordPress plugin before 2.0.0 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfilteredhtml capability is disallowed for example in multisite setup...

CVE-2024-13383

The HD Quiz WordPress plugin (versions prior to 2.0.0 ) contains a Stored Cross-Site Scripting (XSS) vulnerability due to a failure to properly sanitise and escape certain plugin settings. This flaw allows high-privilege users, such as administrators, to perform XSS attacks, even in environments ...

PT-2025-21455 · WordPress · Hd Quiz

Name of the Vulnerable Software and Affected Versions: HD Quiz WordPress plugin version prior to 2.0.0 Description: The issue concerns the HD Quiz WordPress plugin, where versions prior to 2.0.0 do not properly sanitise and escape some of its settings. This could allow high privilege users, such ...

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...

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

Software HD Quiz Type Plugin Vulnerable versions = 1.8.11 Fixed in 1.8.12 OWASP Top 10 A3: Injection Classification Cross Site Scripting XSS CVE CVE-2024-22161 Patch priority Low CVSS severity Low 5.9 Developer Claim ownership PSID b20e08ed859a Credits MyungJu Kim Required privilege Administrator...

WordPress HD Quiz plugin <= 1.8.3 - Authenticated Stored Cross-Site Scripting (XSS) vulnerability

Authenticated Stored Cross-Site Scripting XSS vulnerability discovered by Asif Nawaz Minhas in WordPress HD Quiz plugin versions = 1.8.3. Solution Update the WordPress HD Quiz plugin to the latest available version at least 1.8.4...