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CVSS: 4.3EPSS: 0%CPEs: 1EXPL: 0

Cross-Site Request Forgery (CSRF) vulnerability in brandtoss WP Mailster allows Cross Site Request Forgery.This issue affects WP Mailster: from n/a through 1.8.17.0. The WP Mailster plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.8.17.0. This is due to missing or incorrect nonce validation on an unknown function. This makes it possible for unauthenticated attackers to perform an unknown action granted they can trick a site administrator into performing an action such as clicking on a link. The impact of this vulnerability is unknown. • https://patchstack.com/database/wordpress/plugin/wp-mailster/vulnerability/wordpress-wp-mailster-plugin-1-8-17-0-cross-site-request-forgery-csrf-vulnerability?_s_id=cve • CWE-352: Cross-Site Request Forgery (CSRF) •

CVSS: 6.4EPSS: 0%CPEs: 1EXPL: 0

The WP Mailster plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'mst_subscribe' 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. • https://plugins.trac.wordpress.org/browser/wp-mailster/tags/1.8.17.0/mailster/subscr/SubscriberPlugin.php#L216 https://plugins.trac.wordpress.org/changeset/3198497/wp-mailster/trunk/mailster/subscr/SubscriberPlugin.php https://www.wordfence.com/threat-intel/vulnerabilities/id/909beed4-06a9-4ec4-bf00-4072a38af82b?source=cve • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') •

CVSS: 6.5EPSS: 0%CPEs: 1EXPL: 0

Missing Authorization vulnerability in brandtoss 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 unauthorized access due to a missing capability check on a function in all versions up to, and including, 1.8.16.0. This makes it possible for authenticated attackers, with Subscriber-level access and above, to perform an unauthorized action. • https://patchstack.com/database/wordpress/plugin/wp-mailster/vulnerability/wordpress-wp-mailster-plugin-1-8-16-0-broken-access-control-vulnerability-2?_s_id=cve • CWE-862: Missing Authorization •

CVSS: 7.5EPSS: 0%CPEs: 1EXPL: 0

Insertion of Sensitive Information Into Sent Data vulnerability in brandtoss WP Mailster allows Retrieve Embedded Sensitive Data.This issue affects WP Mailster: from n/a through 1.8.16.0. The WP Mailster plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 1.8.16.0. This makes it possible for unauthenticated attackers to extract sensitive user or configuration data. • https://patchstack.com/database/wordpress/plugin/wp-mailster/vulnerability/wordpress-wp-mailster-plugin-1-8-16-0-sensitive-data-exposure-vulnerability?_s_id=cve • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor CWE-201: Insertion of Sensitive Information Into Sent Data •

CVSS: 7.5EPSS: 0%CPEs: 1EXPL: 0

Missing Authorization vulnerability in brandtoss 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 unauthorized access due to a missing capability check on a function in all versions up to, and including, 1.8.16.0. This makes it possible for unauthenticated attackers to perform an unauthorized action. • https://patchstack.com/database/wordpress/plugin/wp-mailster/vulnerability/wordpress-wp-mailster-plugin-1-8-16-0-broken-access-control-vulnerability?_s_id=cve • CWE-862: Missing Authorization •