JAY Login & Register <= 2.6.03 - Unauthenticated Privilege Escalation via jay_login_register_ajax_create_final_user

Improper Privilege Management
CVE CVE-2025-15027
CVSS Critical (9.8)
Publicly Published February 7, 2026
Last Updated February 8, 2026
Researcher andrea bocchetti
Description

The JAY Login & Register plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 2.6.03. This is due to the plugin allowing a user to update arbitrary user meta through the 'jay_login_register_ajax_create_final_user' function. This makes it possible for unauthenticated attackers to elevate their privileges to that of an administrator.

References

1 affected software package

Software Type Plugin
Software Slug jay-login-register (view on wordpress.org)
Patched? Yes
Affected Version
  • <= 2.6.03
Patched Version
  • 2.6.04
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