CVE-2026-1938 Missing authorization in YayMail – WooCommerce Email Customizer
Authenticated Shop Managers can delete the plugin license key due to missing authorization checks on a REST endpoint.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-1938?
CVE-2026-1938 is a medium-severity missing authorization vulnerability in yaycommerce YayMail – WooCommerce Email Customizer, published on 18 Feb 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-862
Which versions are affected by CVE-2026-1938?
How do I fix CVE-2026-1938?
No fix has been published for CVE-2026-1938 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-1938 being exploited?
There is no known exploitation of CVE-2026-1938 in the wild and no public exploit code.
Sources
Also known as GHSA-g6wj-gw42-4345.