Missing Authorization vulnerability in AlphaBPO Easy Newsletter Signups allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Easy Newsletter Signups: from n/a through 1.0.4.

The Newsletter Subscriptions plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'token_type' parameter in all versions up to, and including, 2.1 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.

Missing Authorization vulnerability in blossomthemes BlossomThemes Email Newsletter allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects BlossomThemes Email Newsletter: from n/a through 2.2.4.

Missing Authorization vulnerability in E-goi Smart Marketing SMS and Newsletters Forms allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Smart Marketing SMS and Newsletters Forms: from n/a through 5.0.9.

The Recover WooCommerce Cart Abandonment, Newsletter, Email Marketing, Marketing Automation By FunnelKit WordPress plugin before 3.3.0 does not sanitize and escape the bwfan-track-id parameter before using it in a SQL statement, allowing unauthenticated users to perform SQL injection attacks

Missing Authorization vulnerability in Automattic Newspack Newsletters allows Accessing Functionality Not Properly Constrained by ACLs.This issue affects Newspack Newsletters: from n/a through 2.13.2.

The Newsletters plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's newsletters_video shortcode in all versions up to, and including, 4.9.9.4 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.

Cross-Site Request Forgery (CSRF) vulnerability in Apa APA Register Newsletter Form allows SQL Injection.This issue affects APA Register Newsletter Form: from n/a through 1.0.0.

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.

The Newsletter, SMTP, Email marketing and Subscribe forms by Brevo (formely Sendinblue) plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 3.1.87. This is due to missing or incorrect nonce validation on the Init() function. This makes it possible for unauthenticated attackers to log out of a Brevo connection via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.