CVE-2026-42668 WordPress Email Marketing for WooCommerce by Omnisend plugin <= 1.18.0 - Broken Authentication vulnerability
Unauthenticated attackers can bypass authentication in the Omnisend WooCommerce plugin, potentially gaining unauthorized access to plugin features.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-42668?
CVE-2026-42668 is a high-severity authentication bypass vulnerability in Email Marketing for WooCommerce by Omnisend, published on 15 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Unauthenticated Broken Authentication in Email Marketing for WooCommerce by Omnisend <= 1.18.0 versions.
Weakness: CWE-288
Which versions are affected by CVE-2026-42668?
How do I fix CVE-2026-42668?
No fix has been published for CVE-2026-42668 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-42668 being exploited?
There is no known exploitation of CVE-2026-42668 in the wild and no public exploit code.
Sources
Also known as GHSA-7j8h-2p3w-mmhx.