Threat intelligence

STRABL <= 4.5 - Unauthenticated Arbitrary Webhook Creation via REST API Endpoint

CVE-2026-3640 · strabl-a-checkout-solution

Important: Seeing this vulnerability listed does not mean your website is affected. Exposure depends on whether you run Strabl A Checkout Solution at a vulnerable version. How SiteRespond intelligence works

Vulnerability: STRABL <= 4.5 - Unauthenticated Arbitrary Webhook Creation via REST API Endpoint
Affected software: strabl-a-checkout-solution(Plugin)
Affected versions: ≤ 4.5
Authentication: Unauthenticated
Vulnerability type: Other
CVE: CVE-2026-3640
Published: 18 June 2026
CISA KEV: Not listed in CISA KEV at last catalog refresh
Impact: This advisory describes a other issue in the affected software. Review the source advisory and your installed version to assess exposure.
Source: Data imported from Wordfence Intelligence (advisory 04eb82e4-1738-44c7-980e-8e33a7a3a23a). Methodology and redistribution notes

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