Stored Cross-Site Scripting in YayMail WooCommerce Email Customizer Plugin

CVE-2026-1943

What is CVE-2026-1943?

The YayMail – WooCommerce Email Customizer plugin for WordPress is vulnerable to Stored Cross-Site Scripting due to inadequate input sanitization and insufficient output escaping. Authenticated attackers with Shop Manager-level permissions or higher can exploit this vulnerability to inject arbitrary web scripts into pages. These scripts execute when a user accesses an affected page. This issue primarily impacts multi-site installations and those where the unfiltered_html feature is disabled.

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