CVE-2025-5397 CRITICAL

CVE-2025-5397: Jobmonster - Job Board WordPress Theme <= 4.8.1 - Authentication Bypass

Vendor Unknown
Product Noo JobMonster
Weakness CWE-288
Published October 31, 2025
Last update April 8, 2026

CVSS base score

9.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

The Noo JobMonster theme for WordPress is vulnerable to Authentication Bypass in all versions up to, and including, 4.8.1. This is due to the check_login() function not properly verifying a user's identity prior to successfully authenticating them This makes it possible for unauthenticated attackers to bypass standard authentication and access administrative user accounts. Please note social login needs to be enabled in order for a site to be impacted by this vulnerability.

Explanation of Vulnerability in Simple Terms

02Summary

Noo JobMonster versions 4.8.1 and earlier contain an authentication bypass vulnerability. An attacker can gain unauthorized access to the application without valid credentials, potentially compromising user data and site functionality. The vulnerability requires no user interaction and can be exploited remotely over the network.

What an attacker can do

03Attacker Capabilities

Gain full unauthorized access to the application without valid login credentials.

Potential impact on your site

04Site Impact

Attackers can read, modify, or delete any data in your JobMonster installation without logging in.

Conditions required to exploit

05Prerequisites

Network access to the affected Noo JobMonster installation; no authentication or user interaction required.

Key dates

06Disclosure timeline

October 31, 2025 CVE published
April 8, 2026 Record updated