Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in PluginOps MailChimp Subscribe Forms allows Stored XSS. This issue affects MailChimp Subscribe Forms : from n/a through 4.1.

Cross-Site Request Forgery (CSRF) vulnerability in SandyIN Import Users to MailChimp allows Stored XSS.This issue affects Import Users to MailChimp: from n/a through 1.0.

The Popup – MailChimp, GetResponse and ActiveCampaign Intergrations plugin for WordPress is vulnerable to unauthorized loss of data due to a missing capability check on the 'upc_delete_db_data' AJAX action in all versions up to, and including, 3.2.6. This makes it possible for unauthenticated attackers to delete the DB data for the plugin.

The Popup – MailChimp, GetResponse and ActiveCampaign Intergrations plugin for WordPress is vulnerable to SQL Injection via the 'id' parameter of the 'upc_delete_db_record' AJAX action in all versions up to, and including, 3.2.6 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for unauthenticated attackers to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.

Missing Authorization vulnerability in MailMunch MailChimp Forms by MailMunch allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects MailChimp Forms by MailMunch: from n/a through 3.1.4.

The MailChimp Forms by MailMunch plugin for WordPress is vulnerable to Reflected Cross-Site Scripting due to the use of add_query_arg without appropriate escaping on the URL in all versions up to, and including, 3.2.3. 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.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in PluginOps MailChimp Subscribe Forms allows Stored XSS.This issue affects MailChimp Subscribe Forms : from n/a through 4.0.9.9.

The Forms for Mailchimp by Optin Cat – Grow Your MailChimp List plugin for WordPress is vulnerable to Reflected Cross-Site Scripting due to the use of add_query_arg without appropriate escaping on the URL in all versions up to, and including, 2.5.6. 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.

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in Moridrin SSV MailChimp allows PHP Local File Inclusion.This issue affects SSV MailChimp: from n/a through 3.1.5.

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.