Stored Cross-Site Scripting in YayMail WooCommerce Email Customizer Plugin
CVE-2026-1943

4.4MEDIUM

Key Information:

Vendor

WordPress
Status
Yaymail – WooCommerce Email Customizer
Vendor
CVE Published:
18 February 2026

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.

Affected Version(s)

YayMail – WooCommerce Email Customizer 0 <= 4.3.2

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/browser/yaymail/tags/4...
https://plugins.trac.wordpress.org/browser/yaymail/tags/4...

CVSS V3.1

Score:
4.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
High
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

whizzu
.