High severity7.2NVD Advisory· Published Nov 21, 2025· Updated Apr 15, 2026

CVE-2025-12160

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.

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

plugins.trac.wordpress.org/changesetnvd
www.wordfence.com/threat-intel/vulnerabilities/id/9bb5e60d-f7c9-4b47-ba6f-0f2d1d060263nvd

News mentions

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