Track vulnerabilities like this one. Sign up free to get alerted when software you use is affected.
7.2

CVE-2025-12160: WordPress Simple User Registration Plugin Allows Attackers to Inject Malicious Scripts

CVE-2025-12160 · published 11 months ago
Summary

The Simple User Registration plugin for WordPress is affected. This means that attackers can inject malicious code into the plugin. To protect your site, update to a secure version of the plugin.

Original advisory text
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 ...
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.
Fix within
Internet-facing 14 days
Internal 60 days
  • Not known to be exploited
  • Can be exploited automatically
  • Gives an attacker partial control
Severity
7.2 High
Exploitation
<1% chance of attack within 30 days
Type
CWE-79Cross-site Scripting (XSS)
Timeline
Published21 Nov 2025
Updated4 Nov 2026
First seen7 Mar 2026
Sources
Track software like this
Free during beta