Vulnerability · Published Jun 15, 2026 · Assigned by Patchstack
CVE-2026-42668WordPress Email Marketing for WooCommerce by Omnisend plugin <= 1.18.0 - Broken Authentication vulnerability
High 7.5
In plain English
A high-severity authentication bypass in Email Marketing for WooCommerce by Omnisend from Omnisend. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 37% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.4%top 62.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Unauthenticated Broken Authentication in Email Marketing for WooCommerce by Omnisend <= 1.18.0 versions.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Omnisend | Email Marketing for WooCommerce by Omnisend | n/a – through 1.18.0 |
Weakness: CWE-288 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N