What is CVE-2025-14440?

CVE-2025-14440 is a critical-severity vulnerability in Jayarsiech Jay Login & Register, classified under Reliance on Cookies without Validation and Integrity Checking. CVSS score: 9.8/10. Published 2025-12-13.

How severe is CVE-2025-14440?

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

Is CVE-2025-14440 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Jayarsiech Jay Login & Register

CVE-2025-14440

The JAY Login & Register plugin for WordPress is vulnerable to authentication bypass in versions up to, and including, 2.4.01. This is due to incorrect authentication checking in the 'jay_login_register_process_switch_back' function with t…

EPSS: 0.002 (36.4th 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-565 — Reliance on Cookies without Validation and Integrity Checking

Public proof-of-concept exploits

Nxploited/CVE-2025-14440

References

Frequently asked questions

What is CVE-2025-14440?: CVE-2025-14440 is a critical-severity vulnerability in Jayarsiech Jay Login & Register, classified under Reliance on Cookies without Validation and Integrity Checking. CVSS score: 9.8/10. Published 2025-12-13.
How severe is CVE-2025-14440?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2025-14440 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.