CVE-2026-7567

The Temporary Login plugin for WordPress is vulnerable to Authentication Bypass in versions up to and including 1.0.0. This is due to improper input validation in the maybe_login_temporary_user() function, which fails to verify that the 'temp-login-token' GET parameter is a scalar string before processing it. When the parameter is supplied as an array, PHP's empty() check is bypassed and sanitize_key() returns an empty string, which is then passed as the meta_value to get_users(). WordPress ignores an empty meta_value and returns all users matching the meta_key '_temporary_login_token', allowing authentication without a valid token. This makes it possible for unauthenticated attackers to authenticate as any active temporary login user by sending a single crafted GET request.

• CWE-288

• https://plugins.trac.wordpress.org/browser/temporary-login/tags/1.0.0/core/admin.php#L135
• https://plugins.trac.wordpress.org/browser/temporary-login/tags/1.0.0/core/admin.php#L179
• https://plugins.trac.wordpress.org/browser/temporary-login/tags/1.0.0/core/options.php#L157
• https://plugins.trac.wordpress.org/browser/temporary-login/trunk/core/admin.php#L135
• https://plugins.trac.wordpress.org/browser/temporary-login/trunk/core/admin.php#L179
• https://plugins.trac.wordpress.org/browser/temporary-login/trunk/core/options.php#L157
• https://www.wordfence.com/threat-intel/vulnerabilities/id/f97c669b-86c1-4873-a050-76972f494099?source=cve

Published

May 1, 2026

Last Modified

Jun 17, 2026

Status

Deferred

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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