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TI-2026-30927 Aliases CVE-2026-42668GHSA-7j8h-2p3w-mmhx

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

Priority LOW 39CWE-288Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · None · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-288.

Summary

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

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00427 37th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
OmnisendEmail Marketing for WooCommerce by Omnisendup to 1.18.0—No fix listedCNA
  • Email Marketing for WooCommerce by Omnisend VendorOmnisend Affected up to 1.18.0 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-42668
  2. 2026-10-03 Alias added: GHSA-7j8h-2p3w-mmhx

References

  • TI-2023-25562 WordPress Email Marketing for WooCommerce by Omnisend Plugin <= 1.13.8 is vulnerable to Sensitive Data Exposure CVSS 3.1HIGH 7.5
  • TI-2026-41458 WordPress Email Marketing for WooCommerce by Omnisend plugin <= 1.19.0 - Broken Access Control vulnerability CVSS 3.1MEDIUM 5.4
  • TI-2026-63943 Authorization bypass in Omnisend Newsletters, Email Marketing, SMS and Popups by Omnisend CVSS 3.1MEDIUM 4.3
  • TI-2024-21178 WordPress Email Marketing for WooCommerce plugin <= 1.14.3 - Cross Site Request Forgery (CSRF) vulnerability CVSS 3.1MEDIUM 4.3

Sources