The Freemius SDK, as used by hundreds of WordPress plugin and theme developers, was vulnerable to Cross-Site Request Forgery and Information disclosure due to missing capability checks and nonce protection on the _get_debug_log, _get_db_option, and the _set_db_option functions in versions up to, and including 2.4.2. Any WordPress plugin or theme running a version of Freemius less than 2.4.3 is vulnerable.

Improper Restriction of Excessive Authentication Attempts vulnerability in Nitin Rathod WP Forms Puzzle Captcha allows Functionality Bypass.This issue affects WP Forms Puzzle Captcha: from n/a through 4.1.

Improper Restriction of Excessive Authentication Attempts vulnerability in Devnath verma WP Captcha allows Functionality Bypass.This issue affects WP Captcha: from n/a through 2.0.0.

Cross-Site Request Forgery (CSRF) vulnerability in Nitin Rathod WP Forms Puzzle Captcha allows Stored XSS.This issue affects WP Forms Puzzle Captcha: from n/a through 4.1.

Cross-Site Request Forgery (CSRF) vulnerability in Nitin Rathod WP Forms Puzzle Captcha plugin <= 4.1 versions.

Cross-Site Request Forgery (CSRF) vulnerability in Devnath verma WP Captcha plugin <= 2.0.0 versions.

The CAPTCHA 4WP WordPress plugin before 7.1.0 lets user input reach a sensitive require_once call in one of its admin-side templates. This can be abused by attackers, via a Cross-Site Request Forgery attack to run arbitrary code on the server.