CVE-2025-15027 | BDVDB-2026-314331 Detail

jayarsiechJAY Login & Register

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.

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: network.

Weaknesses#

CWE-269 Improper Privilege Management

References#

Exploit#

No public exploit known

History#

Version 12026-02-08Record published in the CVE List.
Version 22026-04-08Most recent update recorded in the CVE List.

Published

Published: 2026-02-08
Last modified: 2026-04-08

Vendor information

Vendor: jayarsiech
Product: JAY Login & Register

All jayarsiech vulnerabilities

Score

9.8 Critical

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 39.9.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Privilege Escalation

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
<= 2.6.03
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

9.8 Critical

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

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	None
User Interaction	None
Scope	Unchanged
Confidentiality	High
Integrity	High
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).