CVE-2026-42668: CWE-288 Authentication Bypass Using an Alternate Path or Channel in Omnisend Email Marketing for WooCommerce by Omnisend
Unauthenticated Broken Authentication in Email Marketing for WooCommerce by Omnisend <= 1.18.0 versions.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-42668) affects Email Marketing for WooCommerce by Omnisend versions up to 1.18.0 and involves unauthenticated broken authentication, enabling attackers to bypass authentication controls. The CVSS 3.1 base score is 7.5, indicating a high severity with network attack vector, low attack complexity, no privileges required, and no user interaction needed. The vulnerability is categorized as CWE-288, meaning an alternate path or channel can be used to bypass authentication. There is no vendor advisory or patch information available at this time.
Potential Impact
Successful exploitation allows unauthenticated attackers to bypass authentication, potentially gaining unauthorized access to functionality or data protected by authentication in the affected plugin. The CVSS score indicates high confidentiality impact, with no integrity or availability impact reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, consider restricting access to the plugin's interfaces or disabling the plugin if feasible to reduce exposure.
CVE-2026-42668: CWE-288 Authentication Bypass Using an Alternate Path or Channel in Omnisend Email Marketing for WooCommerce by Omnisend
Description
Unauthenticated Broken Authentication in Email Marketing for WooCommerce by Omnisend <= 1.18.0 versions.
CVSS v3.1
Score 7.5high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-42668) affects Email Marketing for WooCommerce by Omnisend versions up to 1.18.0 and involves unauthenticated broken authentication, enabling attackers to bypass authentication controls. The CVSS 3.1 base score is 7.5, indicating a high severity with network attack vector, low attack complexity, no privileges required, and no user interaction needed. The vulnerability is categorized as CWE-288, meaning an alternate path or channel can be used to bypass authentication. There is no vendor advisory or patch information available at this time.
Potential Impact
Successful exploitation allows unauthenticated attackers to bypass authentication, potentially gaining unauthorized access to functionality or data protected by authentication in the affected plugin. The CVSS score indicates high confidentiality impact, with no integrity or availability impact reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, consider restricting access to the plugin's interfaces or disabling the plugin if feasible to reduce exposure.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Patchstack
- Date Reserved
- 2026-04-29T09:04:47.838Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a30615c0b89be688893d71a
Added to database: 6/15/2026, 8:32:28 PM
Last enriched: 6/15/2026, 9:16:40 PM
Last updated: 6/16/2026, 6:21:54 AM
Views: 9
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