Harmonic Design HD Quiz vulnerabilities

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 modify quizzes and questions, create new quizzes, and change plugin settings via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

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.