Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in brandtoss WP Mailster wp-mailster allows Reflected XSS.This issue affects WP Mailster: from n/a through <= 1.8.17.0.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in brandtoss WP Mailster wp-mailster allows Reflected XSS.This issue affects WP Mailster: from n/a through <= 1.8.15.0.

Insertion of Sensitive Information Into Sent Data vulnerability in brandtoss WP Mailster wp-mailster allows Retrieve Embedded Sensitive Data.This issue affects WP Mailster: from n/a through <= 1.8.17.0.

Cross-Site Request Forgery (CSRF) vulnerability in brandtoss WP Mailster wp-mailster allows Cross Site Request Forgery.This issue affects WP Mailster: from n/a through <= 1.8.17.0.

Missing Authorization vulnerability in brandtoss WP Mailster wp-mailster allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects WP Mailster: from n/a through <= 1.8.16.0.

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in brandtoss WP Mailster wp-mailster allows Blind SQL Injection.This issue affects WP Mailster: from n/a through <= 1.8.16.0.

Insertion of Sensitive Information Into Sent Data vulnerability in brandtoss WP Mailster wp-mailster allows Retrieve Embedded Sensitive Data.This issue affects WP Mailster: from n/a through <= 1.8.16.0.

Missing Authorization vulnerability in brandtoss WP Mailster wp-mailster allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects WP Mailster: from n/a through <= 1.8.16.0.

The WP Mailster plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'mstsubscribe' shortcode in all versions up to, and including, 1.8.17.0 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 brandtoss WP Mailster wp-mailster allows Stored XSS.This issue affects WP Mailster: from n/a through <= 1.8.16.0.

WP Mailster 1.6.18.0 allows XSS when a victim opens a mail server's details in the mstservers page, for a crafted serverhost, servername, or connectionparameter parameter.

The WP Mailster plugin before 1.5.5 for WordPress has XSS in the unsubscribe handler via the mes parameter to view/subscription/unsubscribe2.php.