Threat intelligence

Omnisend for WooCommerce <= 1.18.0 - Unauthenticated Omnisend Account Takeover via Predictable Connect Token

CVE-2026-42668 · omnisend-connect

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

Vulnerability: Omnisend for WooCommerce <= 1.18.0 - Unauthenticated Omnisend Account Takeover via Predictable Connect Token
Affected software: omnisend-connect(Plugin)
Affected versions: ≤ 1.18.0
Authentication: Unauthenticated
Vulnerability type: Authentication bypass
CVE: CVE-2026-42668
Published: 13 May 2026
CISA KEV: Not listed in CISA KEV at last catalog refresh
Impact: May allow access to accounts or admin areas without valid credentials.
Source: Data imported from Wordfence Intelligence (advisory 092061a5-5315-4401-8503-6153f660acdc). Methodology and redistribution notes

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