plugin

Yaymail Vulnerabilities

7 known security issues reported for the Yaymail WordPress plugin. Most recent disclosed Apr 20, 2026.

1 high 5 medium 1 low

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YayMail – WooCommerce Email Customizer <= 4.3.3 - Authenticated (Shop manager+) PHP Object Injection

medium

The YayMail – WooCommerce Email Customizer plugin for WordPress is vulnerable to PHP Object Injection in versions up to, and including, 4.3.3 via deserialization of untrusted input. This makes it possible for authenticated attackers, with shop manager-level access and above, to inject a PHP Object. No known POP chain i...

CVSS:
6.6
Affected:
up to 4.3.3
Fixed in:
4.3.4
Disclosed:
Apr 20, 2026

CVE-2026-39498 on NVD →

YayMail <= 4.3.3 - Authenticated (Shop manager+) SQL Injection

medium

The YayMail plugin for WordPress is vulnerable to SQL Injection in versions up to, and including, 4.3.3 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for authenticated attackers, with shop manager-level access and above,...

CVSS:
4.9
Affected:
up to 4.3.3
Fixed in:
4.3.4
Disclosed:
Mar 15, 2026

CVE-2026-39496 on NVD →

YayMail <= 4.3.2 - Missing Authorization to Authenticated (Shop Manager+) License Key Deletion via '/yaymail-license/v1/license/delete' Endpoint

medium

The YayMail – WooCommerce Email Customizer plugin for WordPress is vulnerable to unauthorized license key deletion due to a missing authorization check on the `/yaymail-license/v1/license/delete` REST endpoint in versions up to, and including, 4.3.2. This makes it possible for authenticated attackers, with Shop Manager...

CVSS:
5.3
Affected:
up to 4.3.2
Fixed in:
4.3.3
Disclosed:
Feb 17, 2026

CVE-2026-1938 on NVD →

YayMail <= 4.3.2 - Missing Authorization to Authenticated (Shop Manager+) Plugin Installation and Activation

low

The YayMail - WooCommerce Email Customizer plugin for WordPress is vulnerable to unauthorized plugin installation and activation due to missing capability checks on the 'yaymail_install_yaysmtp' AJAX action and `/yaymail/v1/addons/activate` REST endpoint in all versions up to, and including, 4.3.2. This makes it possib...

CVSS:
2.7
Affected:
up to 4.3.2
Fixed in:
4.3.3
Disclosed:
Feb 17, 2026

CVE-2026-1831 on NVD →

YayMail <= 4.3.2 - Authenticated (Shop Manager+) Stored Cross-Site Scripting via Template Elements

medium

The YayMail – WooCommerce Email Customizer plugin for WordPress is vulnerable to Stored Cross-Site Scripting via settings in all versions up to, and including, 4.3.2 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Shop Manager-level permissions and ab...

CVSS:
4.4
Affected:
up to 4.3.2
Fixed in:
4.3.3
Disclosed:
Feb 17, 2026

CVE-2026-1943 on NVD →

YayMail <= 4.3.2 - Missing Authorization to Authenticated (Shop Manager+) Arbitrary Options Update via 'yaymail_import_state' AJAX Action

high

The YayMail – WooCommerce Email Customizer plugin for WordPress is vulnerable to unauthorized modification of data that can lead to privilege escalation due to a missing capability check on the `yaymail_import_state` AJAX action in all versions up to, and including, 4.3.2. This makes it possible for authenticated attac...

CVSS:
7.2
Affected:
up to 4.3.2
Fixed in:
4.3.3
Disclosed:
Feb 17, 2026

CVE-2026-1937 on NVD →

YayMail – WooCommerce Email Customizer <= 4.3.2 - Missing Authorization

medium

The YayMail – WooCommerce Email Customizer plugin for WordPress is vulnerable to unauthorized access due to a missing capability check on a function in all versions up to, and including, 4.3.2. This makes it possible for authenticated attackers, with Contributor-level access and above, to perform an unauthorized action...

CVSS:
4.3
Affected:
up to 4.3.2
Fixed in:
4.3.3
Disclosed:
Jan 6, 2026

CVE-2026-27327 on NVD →

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