CVE-2026-42668

WordPress Email Marketing for WooCommerce by Omnisend plugin <= 1.18.0 - Broken Authentication vulnerability

State: Published
Severity: 7.5 High
Published: Jun 15, 2026
Updated: Jun 16, 2026
Reserved: Apr 29, 2026

Description

Unauthenticated Broken Authentication in Email Marketing for WooCommerce by Omnisend <= 1.18.0 versions.

Scores

CVSS	Score	Vector	Source
3.1	7.5 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N	Patchstack

Weaknesses

CWE-288 Authentication Bypass Using an Alternate Path or Channel

Affected Products

Product	Versions
Email Marketing for WooCommerce by OmnisendOmnisend	1.18.0 and earlierAffectedfrom 1.18.1Not affected

References

https://patchstack.com/database/wordpress/plugin/omnisend-connect/vulnerability/wordpress-email-marketing-for-woocommerce-by-omnisend-plugin-1-18-0-broken-authentication-vulnerability?_s_id=cvevdb-entry

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