Description
The Related Posts for WordPress plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 2.2.1. This is due to missing or incorrect nonce validation on the handle_create_link() function. This makes it possible for unauthenticated attackers to add related posts to other posts via a forged request granted they can trick a site administrator into performing an action such as clicking on a link. This ultimately makes it possible for attackers to view draft and password protected posts.
CVSS breakdown
CVSS 3.1
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None
Affected products
References
- MISChttps://www.wordfence.com/threat-intel/vulnerabilities/id/5d21aad7-dbee-4204-afbd-0a5fdeaca50e?source=cve
- MISChttps://plugins.trac.wordpress.org/browser/related-posts-for-wp/trunk/classes/hooks/class-hook-link-related-screen.php#L70
- MISChttps://plugins.trac.wordpress.org/changeset/3049719/related-posts-for-wp/tags/2.2.2/classes/hooks/class-hook-link-related-screen.php