CVE-2026-42668: WordPress Email Marketing for WooCommerce by Omnisend plugin <= 1.18.0 - Broken Authentication vulnerability
Published Jun 15, 2026
·Updated
Unauthenticated Broken Authentication in Email Marketing for WooCommerce by Omnisend <= 1.18.0 versions.
Affected Software
1 affected component
Omnisend Email Marketing for WooCommerce<=1.18.0
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
WordPress Email Marketing for WooCommerce by Omnisend Pluginto a version that resolves this vulnerability.Fixed in 1.18.1
Event History
Jun 15, 2026
CVE Published
via MITRE·08:18 PM
Data Sourced
via MITRE·08:18 PM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·09:16 PM
DescriptionSeverityWeakness
Frequently Asked Questions
1
What is the severity of CVE-2026-42668?
The severity of CVE-2026-42668 is categorized as high with a score of 7.5.
2
How do I fix CVE-2026-42668?
To fix CVE-2026-42668, update the Email Marketing for WooCommerce by Omnisend plugin to version 1.18.1 or later.
3
What type of vulnerability is CVE-2026-42668?
CVE-2026-42668 is classified as a Broken Authentication vulnerability.
4
What versions are affected by CVE-2026-42668?
CVE-2026-42668 affects the Email Marketing for WooCommerce by Omnisend plugin versions up to 1.18.0.
5
Is authentication required for exploiting CVE-2026-42668?
No, CVE-2026-42668 can be exploited without authentication.