Vulnerabilities > CVE-2021-24163 - Missing Authorization vulnerability in Ninjaforms Ninja Forms
Attack vector
NETWORK Attack complexity
LOW Privileges required
LOW Confidentiality impact
HIGH Integrity impact
HIGH Availability impact
HIGH Summary
The AJAX action, wp_ajax_ninja_forms_sendwp_remote_install_handler, did not have a capability check on it, nor did it have any nonce protection, therefore making it possible for low-level users, such as subscribers, to install and activate the SendWP Ninja Forms Contact Form – The Drag and Drop Form Builder for WordPress WordPress plugin before 3.4.34 and retrieve the client_secret key needed to establish the SendWP connection while also installing the SendWP plugin.
Vulnerable Configurations
Common Weakness Enumeration (CWE)
References
- https://wpscan.com/vulnerability/55fde9fa-f6cd-4546-bee8-4acc628251c2
- https://wpscan.com/vulnerability/55fde9fa-f6cd-4546-bee8-4acc628251c2
- https://www.wordfence.com/blog/2021/02/one-million-sites-affected-four-severe-vulnerabilities-patched-in-ninja-forms/
- https://www.wordfence.com/blog/2021/02/one-million-sites-affected-four-severe-vulnerabilities-patched-in-ninja-forms/