Security Advisory
CVE-2025-12160
CVE vulnerability detail — eXtreme Datacenter Security Operations
Description
The Simple User Registration plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the wpr_admin_msg parameter in all versions up to, and including, 6.6 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.