CVE-2025-13676

The JustClick registration plugin for WordPress is vulnerable to Reflected Cross-Site Scripting in all versions up to, and including, 0.1. This is due to insufficient input sanitization and output escaping on the `PHP_SELF` server variable. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.

• CWE-79

• https://plugins.trac.wordpress.org/browser/justclick-subscriber/tags/0.1/justclick.php#L154
• https://plugins.trac.wordpress.org/browser/justclick-subscriber/trunk/justclick.php#L154
• https://www.wordfence.com/threat-intel/vulnerabilities/id/f1420ec8-55e4-448d-8230-228d1e566b97?source=cve

Published

Jan 24, 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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