WordPress plugin
Mailonix – Email Template Customizer for WooCommerce security & vulnerabilities
No known unpatched vulnerabilities in the latest version
All 3 known vulnerabilities are fixed in the latest release. If you run an older version, update to null or newer.
- Critical0
- High0
- Medium3
- Low0
All Mailonix – Email Template Customizer for WooCommerce vulnerabilities
| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| Medium6.5 | Unauthenticated Arbitrary Shortcode Injection ≤1.3.4Update to 1.3.5 | CVE-2026-103358 | |
| Medium4.4 | Authenticated (Shop manager+) Stored Cross-Site Scripting ≤1.2.17Update to 1.2.18 | CVE-2025-64200 | |
| Medium4.4 | Authenticated (Shop manager+) Stored Cross-Site Scripting ≤1.2.9.1Update to 1.2.9.2 | CVE-2024-49288 |
- Medium6.5Unauthenticated Arbitrary Shortcode Injection
≤1.3.4Update to 1.3.5
- Medium4.4Authenticated (Shop manager+) Stored Cross-Site Scripting
≤1.2.17Update to 1.2.18
- Medium4.4Authenticated (Shop manager+) Stored Cross-Site Scripting
≤1.2.9.1Update to 1.2.9.2
Mailonix – Email Template Customizer for WooCommerce: common questions
Does Mailonix – Email Template Customizer for WooCommerce have known vulnerabilities?
Yes. VulnCrest Radar lists 3 known vulnerabilities in Mailonix – Email Template Customizer for WooCommerce: 3 medium. None are known to affect version null.
How do I check which version of Mailonix – Email Template Customizer for WooCommerce I run?
In wp-admin open Plugins → Installed Plugins; the version is shown under the name. Without admin access, our passive Check my site tool can often read it from public files.
What is the most recent Mailonix – Email Template Customizer for WooCommerce vulnerability?
CVE-2026-103358, published Oct 12, 2026: Mailonix – Email Template Customizer for WooCommerce <= 1.3.4 - Unauthenticated Arbitrary Shortcode Injection. Severity: Medium (CVSS 6.5).
Is any Mailonix – Email Template Customizer for WooCommerce vulnerability listed in CISA KEV?
No. None of the known Mailonix – Email Template Customizer for WooCommerce vulnerabilities is currently listed in the CISA KEV catalog.