CVE-2026-6235 - Vulnerability Analysis
CriticalCVSS: 9.8Last Updated: April 22, 2026
Sendmachine for WordPress - Authorization Bypass
Published: April 22, 2026Updated: April 22, 2026Remote Exploitable
Overview
Sendmachine for WordPress plugin <= 1.0.20 contains an authorization bypass caused by improper verification in 'manage_admin_requests' function, letting unauthenticated attackers overwrite SMTP configuration and intercept outbound emails, exploit requires no authentication.
Severity & Score
Severity: Critical
CVSS Score: 9.8
Impact
Unauthenticated attackers can overwrite SMTP settings, intercepting all outbound emails including password resets, risking sensitive information disclosure.
Mitigation
Update to the latest version beyond 1.0.20.
References
- https://plugins.trac.wordpress.org/browser/sendmachine/tags/1.0.20/includes/sendmachine_email_manager.php#L39
- https://plugins.trac.wordpress.org/browser/sendmachine/tags/1.0.20/sendmachine_wp_admin.php#L174
- https://plugins.trac.wordpress.org/browser/sendmachine/tags/1.0.20/sendmachine_wp_admin.php#L183
- https://www.wordfence.com/threat-intel/vulnerabilities/id/7889e071-84a8-46ec-abe5-5c98980ce275?source=cve
Related Resources
Details
- CVE ID
- CVE-2026-6235
- Severity
- Critical
- CVSS Score
- 9.8
- Type
- broken_access_control
- Status
- rejected
CWE
- CWE-862
CVSS Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H