CVE-2026-3640
medium
📛 Threat Title
STRABL <= 4.5 - Unauthenticated Arbitrary Webhook Creation via REST API Endpoint
Description
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. Affected software — plugin: STRABL – A checkout solution (affected: *-4.5). CVSS 5.3 (Medium) — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.
Remediations (3)
-
Wordfence remediation: STRABL – A checkout solutionWordfence
Update to version 4.6, or a newer patched version
-
Wordfence remediation: STRABL – A checkout solutionWordfence
Update to version 4.6, or a newer patched version
-
Wordfence remediation: STRABL – A checkout solutionWordfence
Update to version 4.6, or a newer patched version
Indicators of Compromise (1)
Each indicator is enriched from the IOC database, threat-intel feed corroboration (Threat Hunt) and VirusTotal. Click one to expand.
cve
CVE-2026-3640
IOC database
- Type
- cve
- Value
CVE-2026-3640- First seen
- Last seen
- Attached to this threat
- Appears in
- 1 threat
- Description
- STRABL <= 4.5 - Unauthenticated Arbitrary Webhook Creation via REST API Endpoint
Threat Hunt — feed corroboration
Not present in any configured threat-intel feed.
Details From VirusTotal
No VirusTotal details cached for this IOC. Open the IOC page to query VirusTotal.
References (3)
AI Forensic Analysis
Only Available for Registered Users. Sign in to view.