WooCommerce email customization plugins operate on a sensitive boundary between order data, customer communication, template rendering, and admin-side content editing. These plugins often process customer names, billing and shipping details, order metadata, payment-related labels, coupons, custom fields, and transactional email content. A weakness in this class of plugin can lead to stored XSS in email templates or admin previews, unauthorized modification of transactional communications, data leakage through shortcodes or preview logic, or abuse of import/export and template management functionality. YayMail – WooCommerce Email Customizer version 4.4.0 has successfully completed the CleanTalk Plugin Security Certification process and received PSC-2026-64649, confirming that the plugin was reviewed from a secure code perspective with attention to the most common exploitation paths for WooCommerce email template, shortcode, preview, and customization plugins.
| Name of | YayMail – WooCommerce Email Customizer |
| Version | 4.4.0 |
| Active installations | 50,000+ |
| Description | YayMail is a drag-and-drop WooCommerce email template customizer that helps store owners design branded transactional emails without coding, using a visual editor, built-in elements, real-time preview, shortcodes, test emails, premade blocks, and import/export template workflows. |
| Security | Successfully tested for: SQL Injection (SQLi) Cross-Site Scripting (XSS) – Stored & Reflected Cross-Site Request Forgery (CSRF) Authentication Vulnerabilities Authentication Bypass Exploits Privilege Escalation Buffer Overflow Denial-of-Service (DoS) vectors Data Leakage Vulnerabilities Insecure Dependency Usage Remote Code Execution (RCE) Risks Unauthorized File Access Insufficient Injection Protection Information Disclosure via Misconfigured Endpoints |
| CleanTalk Certification | Proudly earned the “Plugin Security Certification” (PSC) from CleanTalk, indicating adherence to stringent security standards. |
| Additional Information | Use YayMail – WooCommerce Email Customizer with confidence backed by the “Plugin Security Certification” (PSC). Always verify the latest plugin details and keep WordPress core, WooCommerce, and dependent components up to date. |
| Plugin Security Certification by CleanTalk |  |
| Logo of the plugin |  |
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Key Features
YayMail – WooCommerce Email Customizer gives WooCommerce store owners a visual way to customize transactional email templates without editing theme files or writing custom code. The plugin provides a drag-and-drop email builder, 30+ built-in elements, real-time visual editing, desktop and mobile preview modes, custom logo and branding controls, typography and color customization, social icon blocks, premade patterns, and one-click test emails. It also allows administrators to select actual WooCommerce orders for previewing dynamic content, personalize templates with shortcodes and placeholders, and export or import templates for reuse, backup, migration, or deployment across multiple stores. These capabilities matter from a security perspective because they interact with multiple sensitive WooCommerce surfaces: order data rendering, customer and billing information, email template storage, admin-side visual editing, shortcode expansion, template import/export, and transactional communication integrity.
Security Assurance
The CleanTalk Plugin Security Certification evaluation for WooCommerce email customizer plugins focuses on the risks created when editable content, dynamic order data, and rendering logic meet inside transactional email templates. In this class of software, common abuse patterns include attempts to inject JavaScript or unsafe HTML into template elements, abuse shortcodes or placeholders to expose order or customer data, manipulate preview functionality to access information from orders outside the intended privilege boundary, exploit template import features to introduce unsafe configuration, or trigger unauthorized template and settings changes through weak CSRF or capability enforcement. The review validates that administrative actions are protected by appropriate roles and capability checks, that state-changing requests use nonce validation, and that template content, shortcode output, imported configuration, and preview data are handled safely across storage and rendering contexts. Particular attention is paid to safe output encoding, shortcode and placeholder handling, WooCommerce order data access, template import/export safety, and preventing email customization convenience features from becoming injection, disclosure, or privilege boundary failures.
The plugin has been successfully tested for:
✅ Information Leakage Vulnerabilities
✅ SQL Injection Vulnerabilities
✅ Cross-Site Scripting (XSS) Attacks
✅ Cross-Site Request Forgery (CSRF) Attacks
✅ Authentication & Authentication Bypass Vulnerabilities
✅ Privilege Escalation Vulnerabilities
✅ Buffer Overflow Vulnerabilities
✅ Denial-of-Service (DoS) Vulnerabilities
✅ Data Leakage Vulnerabilities
✅ Insecure Dependencies
✅ Code Execution Vulnerabilities
✅ File Unauthorized Access Vulnerabilities
✅ Insufficient Injection Protection
Conclusion
With PSC-2026-64649, YayMail – WooCommerce Email Customizer version 4.4.0 demonstrates a strong baseline security posture for the workflows that matter most in WooCommerce email customization: building and storing transactional email templates, rendering dynamic order and customer data, previewing emails safely, sending test emails, and managing import/export flows for template reuse. This certification helps WooCommerce store owners and development teams reduce security and operational risk when customizing transactional emails that directly affect customer trust, order communication, and brand consistency. As a best practice, restrict who can manage WooCommerce email templates, review custom HTML and shortcode usage carefully, validate template imports before deployment, test transactional email behavior after WooCommerce updates, and keep WordPress core, WooCommerce, YayMail, and related email infrastructure components up to date.
Note: The date and certification information may change over time. It is advisable to verify the latest details on the plugin developer’s website.