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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.

PUBLISHED Reserved 2025-12-22 | Published 2026-02-08 | Updated 2026-02-09 | Assigner Wordfence




CRITICAL: 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Problem types

CWE-269 Improper Privilege Management

Product status

Default status
unaffected

* (semver)
affected

Timeline

2026-02-07:Disclosed

Credits

andrea bocchetti finder

References

www.wordfence.com/...-10e8-44ca-a1c5-8d987d85c469?source=cve

plugins.trac.wordpress.org/...ogin-register-ajax-handler.php

cve.org (CVE-2025-15027)

nvd.nist.gov (CVE-2025-15027)

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