Medium severity · published Feb 18, 2026
CVE-2026-1938
YayMail <= 4.3.2 - Missing Authorization to Authenticated (Shop Manager+) License Key Deletion via '/yaymail-license/v1/license/delete' Endpoint
5.3
CVSS
0.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 28% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
YW
YayMail – WooCommerce Email Customizer · yaycommerce
through 4.3.2 · source: vendor
Affected product
YW
YayMail – WooCommerce Email Customizer
yaycommerce
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-1938
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-1938
plugins.trac.wordpress.org
https://plugins.trac.wordpress.org/browser/yaymail/tags/4.3.2/src/License/RestAPI.php#L142
plugins.trac.wordpress.org
https://plugins.trac.wordpress.org/browser/yaymail/trunk/src/License/RestAPI.php#L142
plugins.trac.wordpress.org
https://plugins.trac.wordpress.org/changeset/3460087/
www.wordfence.com
https://www.wordfence.com/threat-intel/vulnerabilities/id/6ce57b12-2241-416b-b466-aa06ca8c7551?source=cve
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