Unauthenticated Broken Authentication in Email Marketing for WooCommerce

Publication date: 2026-06-15

Last updated on: 2026-06-15

Assigner: Patchstack

Description

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

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-06-15

Last Modified

2026-06-15

Generated

2026-07-06

AI Q&A

2026-06-16

EPSS Evaluated

2026-07-04

NVD

CVE-2026-42668

Affected Vendors & Products

Vendor	Product	Version / Range
omnisend	email_marketing_for_woocommerce	to 1.18.0 (inc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-288	The product requires authentication, but the product has an alternate path or channel that does not require authentication.

Attack-Flow Graph

Executive Summary

This vulnerability is an unauthenticated broken authentication issue found in the Email Marketing for WooCommerce plugin by Omnisend, affecting versions up to and including 1.18.0.

Impact Analysis

Because the vulnerability allows broken authentication without requiring user authentication, an attacker can exploit it remotely to gain unauthorized access. The CVSS score indicates a high impact on confidentiality, meaning sensitive information could be exposed, but integrity and availability are not affected.

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