CVE-2021-39353: Easyregistrationforms Easy Registration Forms

High severity, CVSS 8.8. EPSS: 0.7% chance of exploitation in the next 30 days.

The Easy Registration Forms WordPress plugin is vulnerable to Cross-Site Request Forgery due to missing nonce validation via the ajax_add_form function found in the ~/includes/class-form.php file which made it possible for attackers to inject arbitrary web scripts in versions up to, and including 2.1.1.

Affected products

Published 2021-11-19. Last modified 2026-06-17.