Description
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.
CVSS breakdown
CVSS 3.1
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None
Affected products
- Harmonic Design / HD Quiz2.2.0 – 2.2.1
References
- MISChttps://www.wordfence.com/threat-intel/vulnerabilities/id/c886ce5a-0633-4892-9471-c1a7ee858c93?source=cve
- MISChttps://plugins.trac.wordpress.org/browser/hd-quiz/tags/2.2.0/includes/functions.php#L39
- MISChttps://plugins.trac.wordpress.org/browser/hd-quiz/tags/2.2.1/includes/functions.php#L39
- MISChttps://plugins.trac.wordpress.org/browser/hd-quiz/tags/2.2.1/includes/actions-ajax.php#L87
- MISChttps://plugins.trac.wordpress.org/browser/hd-quiz/tags/2.2.1/includes/actions-ajax.php#L53
- MISChttps://plugins.trac.wordpress.org/browser/hd-quiz/tags/2.2.1/includes/actions-ajax.php#L68
- MISChttps://plugins.trac.wordpress.org/browser/hd-quiz/tags/2.2.1/includes/actions-ajax.php#L155
- MISChttps://plugins.trac.wordpress.org/browser/hd-quiz/tags/2.2.1/includes/actions-ajax.php#L179
- MISChttps://plugins.trac.wordpress.org/browser/hd-quiz/tags/2.2.1/includes/actions-ajax.php#L7
- MISChttps://plugins.trac.wordpress.org/browser/hd-quiz/tags/2.2.0/includes/actions-ajax.php#L87
- MISChttps://plugins.trac.wordpress.org/browser/hd-quiz/tags/2.2.0/includes/actions-ajax.php#L53
- MISChttps://plugins.trac.wordpress.org/browser/hd-quiz/tags/2.2.0/includes/actions-ajax.php#L68
- MISChttps://plugins.trac.wordpress.org/browser/hd-quiz/tags/2.2.0/includes/actions-ajax.php#L155
- MISChttps://plugins.trac.wordpress.org/browser/hd-quiz/tags/2.2.0/includes/actions-ajax.php#L179
- MISChttps://plugins.trac.wordpress.org/browser/hd-quiz/tags/2.2.0/includes/actions-ajax.php#L7
- MISChttps://plugins.trac.wordpress.org/browser/hd-quiz/tags/2.2.2/includes/functions.php#L40