CVE-2026-1938 json
YayMail <= 4.3.2 - Missing Authorization to Authenticated (Shop Manager+) License Key Deletion via '/yaymail-license/v1/license/delete' Endpoint
published 2026-02-18 8 mo ago modified 2026-06-17 4 mo ago also EUVD-2026-8052
- cvss
- 5.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 28%
- public exploits
- 0
- none known
Summary
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.
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 8 mo ago
Exploit prediction
0.35% chance of exploitation in the next 30 days, higher than 28% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
Affected products
- yaycommerce YayMail – WooCommerce Email Customizer
Classification
- Weakness
-
- CWE-862 Missing Authorization
- Technology feeds
References
- wordfence.com /threat-intel/vulnerabilities/id/6ce57b12-2241-416b-b466-aa06ca8c7551?source=cve
- plugins.trac.wordpress.org /browser/yaymail/tags/4.3.2/src/License/RestAPI.php#L142
- plugins.trac.wordpress.org /browser/yaymail/trunk/src/License/RestAPI.php#L142
- plugins.trac.wordpress.org /changeset/3460087/
Sources
- CVE List CVE-2026-1938
- NVD CVE-2026-1938
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.