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Vulnerabilities and Security Researches

YayMail – WooCommerce Email Customizer, CVE-2026-1943

CVE, Research URL

CVE-2026-1943

Published on
Feb 18, 2026
Research Description
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 above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.
Affected versions
max 4.3.3.
Status
vulnerable