What’s Vulnerable › Vulnerabilities

CVE-2026-1938: YayMail <= 4.3.2 - Missing Authorization to Authenticated (Shop Manager+) License Key Deletion via '/yaymail-license/v1/license/delete' Endpoint

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-02-18 · updated 2026-06-17
• Weakness: CWE-862

Description

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-level access and above, to delete the plugin's license key via the '/yaymail-license/v1/license/delete' endpoint granted they can obtain the REST API nonce.

Affected products

• yaycommerce YayMail – WooCommerce Email Customizer: through 4.3.2

References

• https://plugins.trac.wordpress.org/browser/yaymail/tags/4.3.2/src/License/RestAPI.php#L142
• https://plugins.trac.wordpress.org/browser/yaymail/trunk/src/License/RestAPI.php#L142
• https://plugins.trac.wordpress.org/changeset/3460087/
• https://www.wordfence.com/threat-intel/vulnerabilities/id/6ce57b12-2241-416b-b466-aa06ca8c7551?source=cve

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