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
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-42668
- 2026-10-03 Alias added: GHSA-7j8h-2p3w-mmhx
More Omnisend vulnerabilities
- 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
- CVE-2026-42668 · CVE Program
- CVE-2026-42668 · NVD
- FIRST EPSS
- GHSA-7j8h-2p3w-mmhx · GitHub Advisory Database · CC BY 4.0
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