Easy Form Builder by WhiteStudio vulnerabilities

The Easy Form Builder by WhiteStudio plugin for WordPress up to version 4.0.11 is vulnerable to unauthenticated privilege escalation to administrator. This is due to the use of a publicly visible session identifier ('sid') as the password reset token and a publicly accessible nonce refresh endpoint, allowing an attacker to reset any WordPress user's password.

The Easy Form Builder by WhiteStudio WordPress plugin before version 4.2.0 does not validate a submitted value against the stored configuration for some form types, allowing unauthenticated users to create WordPress accounts on a site where registration is disabled.

The Easy Form Builder by WhiteStudio WordPress plugin before version 4.2.0 does not validate a submitted value against the stored configuration for some form types, allowing unauthenticated users to store arbitrary content which is then rendered unescaped in an admin page, leading to Stored XSS.