What is CVE-2025-15027?

CVE-2025-15027 is a critical-severity vulnerability in Jayarsiech Jay Login & Register, classified under Improper Privilege Management. CVSS score: 9.8/10. Published 2026-02-08.

How severe is CVE-2025-15027?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Privilege escalation in Jayarsiech Jay Login & Register

CVE-2025-15027

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_…

Vulnerability class: Privilege Escalation

EPSS: 0.001 (17.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Jayarsiech Jay Login & Register — versions 0

Weakness classification (CWE)

CWE-269 — Improper Privilege Management

References

Frequently asked questions

What is CVE-2025-15027?: CVE-2025-15027 is a critical-severity vulnerability in Jayarsiech Jay Login & Register, classified under Improper Privilege Management. CVSS score: 9.8/10. Published 2026-02-08.
How severe is CVE-2025-15027?: Critical severity. CVSS v3 base score is 9.8 out of 10.