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.

In the module "Newsletter Popup PRO with Voucher/Coupon code" (newsletterpop) before version 2.6.1 from Active Design for PrestaShop, a guest can perform SQL injection in affected versions. The method `NewsletterpopsendVerificationModuleFrontController::checkEmailSubscription()` has sensitive SQL calls that can be executed with a trivial http call and exploited to forge a SQL injection.

Cross-Site Request Forgery (CSRF) vulnerability in Tribulant Newsletters plugin <= 4.8.8 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.

A vulnerability, which was classified as problematic, was found in SimplePHPscripts NewsLetter Script PHP 2.4. Affected is an unknown function of the file /preview.php of the component URL Parameter Handler. The manipulation leads to cross site scripting. It is possible to launch the attack remotely. The identifier of this vulnerability is VDB-233292.

The Newsletter Manager plugin for WordPress is vulnerable to insecure deserialization in versions up to, and including, 1.5.1. This is due to unsanitized input from the 'customFieldsDetails' parameter being passed through a deserialization function. This potentially makes it possible for unauthenticated attackers to inject a serialized PHP object.

The Newsletter, SMTP, Email marketing and Subscribe forms by Sendinblue WordPress plugin before 3.1.61 does not sanitise and escape a parameter before outputting it back in the admin dashboard when the WPML plugin is also active and configured, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as admin