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    <lastBuildDate>Wed, 14 Oct 2026 22:14:40 +0000</lastBuildDate>
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      <title>CVE-2026-3640 — STRABL &lt;= 4.5 - Unauthenticated Arbitrary Webhook Creation via REST API Endpoint</title>
      <link>https://cve.radiocsirt.org/vuln/cve-2026-3640</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; strablengineering STRABL – A checkout solution&lt;/p&gt;
&lt;p&gt;The STRABL – A checkout solution plugin for WordPress is vulnerable to Missing Authentication in all versions up to and including 4.5. The plugin registers a REST API webhook endpoint at /wp-json/strabl/webhook/order with a permission_callback of __return_true, which allows all incoming requests without any authentication or authorization checks. No shared secret, signature validation, HMAC verification, or token-based authentication is implemented. This makes it possible for unauthenticated attackers to create fraudulent WooCommerce orders and mark them as completed by supplying paymentStatus=paid, manipulate existing order statuses by providing an externalOrderId, create new WordPress user accounts with the customer role, issue refunds on existing orders, cancel existing orders, and apply chargeback fees — all without making a legitimate payment or having any valid credentials.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; strablengineering STRABL – A checkout solution&lt;/p&gt;
&lt;p&gt;The STRABL – A checkout solution plugin for WordPress is vulnerable to Missing Authentication in all versions up to and including 4.5. The plugin registers a REST API webhook endpoint at /wp-json/strabl/webhook/order with a permission_callback of __return_true, which allows all incoming requests without any authentication or authorization checks. No shared secret, signature validation, HMAC verification, or token-based authentication is implemented. This makes it possible for unauthenticated attackers to create fraudulent WooCommerce orders and mark them as completed by supplying paymentStatus=paid, manipulate existing order statuses by providing an externalOrderId, create new WordPress user accounts with the customer role, issue refunds on existing orders, cancel existing orders, and apply chargeback fees — all without making a legitimate payment or having any valid credentials.&lt;/p&gt;</content:encoded>
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