Guessable CAPTCHA vulnerability in BestWebSoft Captcha by BestWebSoft allows Functionality Bypass.This issue affects Captcha by BestWebSoft: from n/a through 5.2.0.

The reCAPTCHA Jetpack WordPress plugin through 0.2.2 does not have CSRF check in some places, and is missing sanitisation as well as escaping, which could allow attackers to make logged-in admin add Stored XSS payloads via a CSRF attack.

The reCAPTCHA Jetpack WordPress plugin through 0.2.2 does not have CSRF check in place when updating its settings, which could allow attackers to make a logged in admin change them via a CSRF attack

The hCaptcha for WordPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's cf7-hcaptcha shortcode in all versions up to, and including, 4.0.0 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Contact Form With Captcha allows Reflected XSS.This issue affects Contact Form With Captcha: from n/a through 1.6.8.

A vulnerability was found in PlusCaptcha Plugin up to 2.0.6 on WordPress and classified as problematic. Affected by this issue is some unknown functionality. The manipulation leads to cross site scripting. The attack may be launched remotely. Upgrading to version 2.0.14 is able to address this issue. The patch is identified as 1274afc635170daafd38306487b6bb8a01f78ecd. It is recommended to upgrade the affected component. VDB-248954 is the identifier assigned to this vulnerability.

When using the default implementation of Verify to check a Captcha, verification can be bypassed. For example, if the first parameter is a non-existent id, the second parameter is an empty string, and the third parameter is true, the function will always consider the Captcha to be correct.

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 Vsourz Digital CF7 Invisible reCAPTCHA plugin <= 1.3.3 versions.

Cross-Site Request Forgery (CSRF) vulnerability in Custom Login Page | Temporary Users | Rebrand Login | Login Captcha plugin <= 1.1.3 versions.