The ENL Newsletter WordPress plugin through 1.0.1 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

Cross-Site Request Forgery (CSRF) vulnerability in Stefano Lissa & The Newsletter Team Newsletter.This issue affects Newsletter: from n/a through 8.0.6.

The Everest Forms plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 2.0.7 via the 'font_url' parameter. This makes it possible for unauthenticated attackers to make web requests to arbitrary locations originating from the web application and can be used to query and modify information from internal services.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Katz Web Services, Inc. Contact Form 7 Newsletter allows Reflected XSS.This issue affects Contact Form 7 Newsletter: from n/a through 2.2.

The AWeber – Free Sign Up Form and Landing Page Builder Plugin for Lead Generation and Email Newsletter Growth plugin for WordPress is vulnerable to SQL Injection via the 'post_id' parameter in all versions up to, and including, 7.3.14 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for authenticated attackers, with administrator-level access and above, to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.

The Easy Newsletter Signups WordPress plugin through 1.0.4 does not properly sanitise and escape a parameter before using it in a SQL statement, leading to a SQL injection exploitable by high privilege users such as admin

Cross-Site Request Forgery (CSRF) vulnerability in Kiboko Labs Arigato Autoresponder and Newsletter plugin <= 2.7.2.2 versions.

Auth. (contributor+) Stored Cross-Site Scripting (XSS) vulnerability in HappyBox Newsletter & Bulk Email Sender – Email Newsletter Plugin for WordPress plugin <= 2.0.1 versions.

FieldPopupNewsletter Prestashop Module v1.0.0 was discovered to contain a reflected cross-site scripting (XSS) vulnerability via the callback parameter at ajax.php.

The Newsletter plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'newsletter_form' shortcode in versions up to, and including, 7.8.9 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.