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Description

The Sendmachine for WordPress plugin for WordPress is vulnerable to authorization bypass via the 'manage_admin_requests' function in all versions up to, and including, 1.0.20. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for unauthenticated attackers to overwrite the plugin's SMTP configuration, which can be leveraged to intercept all outbound emails from the site (including password reset emails).

PUBLISHED Reserved 2026-04-13 | Published 2026-04-22 | Updated 2026-04-23 | Assigner Wordfence




CRITICAL: 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Problem types

CWE-862 Missing Authorization

Product status

Default status
unaffected

Any version
affected

Timeline

2026-03-10:Discovered
2026-04-21:Disclosed

Credits

Nabil Irawan finder

References

www.wordfence.com/...-84a8-46ec-abe5-5c98980ce275?source=cve

plugins.trac.wordpress.org/....0.20/sendmachine_wp_admin.php

plugins.trac.wordpress.org/....0.20/sendmachine_wp_admin.php

plugins.trac.wordpress.org/.../sendmachine_email_manager.php

cve.org (CVE-2026-6235)

nvd.nist.gov (CVE-2026-6235)

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