External risk intelligence

Jobmonster Authentication Bypass Vulnerability

CVE advisorySeverity: CRITICAL (CVSS 9.8)

CVE-2025-54738

The vulnerability affects a WordPress theme, which by its nature is a web-based application component. Themes are typically used to power public-facing websites, making the authentication mechanisms of the theme reachable via the internet as part of the standard deployment of a web portal.

Authentication Bypass

Halo Surface Signal: 4 out of 5 — likely to be public-facing.

External exposure likelihood

Horizon Alert

Summary of the vulnerability and why it matters

A critical authentication bypass vulnerability has been identified in the NooTheme Jobmonster WordPress theme. This issue could allow unauthorized individuals to gain access to the system by exploiting a flaw in how authentication is handled, potentially exposing sensitive information or allowing malicious actions. The main concern is to confirm if this theme is in use and if so, to assess the potential exposure.

  • Bypass security to gain unauthorized access.
  • Critical flaw in authentication mechanisms.
  • Confirm relevance and assess exposure.

Attack Path

How an attacker could exploit the issue

An attacker could exploit this vulnerability by accessing a specific, unprotected channel or pathway within the Jobmonster theme. This bypasses normal authentication checks, allowing unauthorized access to sensitive features or data. The vulnerability can lead to a complete compromise of the application's integrity and confidentiality.

  • No authentication required to start.
  • Bypassing authentication via alternate path.
  • Unauthorized access and data compromise.

Live Threat

Current exploitation, exposure, and threat context

A critical authentication bypass vulnerability in the Jobmonster theme could allow unauthorized access to sensitive system information and user data when exposed to the internet. This could occur on websites utilizing the Jobmonster theme where the authentication mechanism is accessible remotely and not adequately protected.

  • User accounts and system information.
  • Via network access to an exposed authentication channel.
  • Unauthorized access and data compromise.

Operational Fix

Recommended remediation, mitigation, and detection steps

The NooTheme Jobmonster theme's authentication bypass vulnerability requires immediate attention from teams managing WordPress sites. The first step is to identify all instances of the Jobmonster theme, determine their exposure, and confirm business criticality. Once owners are identified, a risk-based remediation plan can be developed, potentially involving vendor coordination or temporary mitigations.

  • Theme owners should manage this issue.
  • Verify theme reachability and criticality first.
  • Plan risk-based remediation or mitigation.

Supplementary metadata

Validate whether this threat affects your internet-facing exposure.

Halo Threat Intelligence helps prioritize remediation with Halo Surface Signal and H/A/L/O context. Start exposure validation with a free external attack surface trial.

Frequently asked questions

What is the NooTheme Jobmonster WordPress theme?

Jobmonster is a specialized WordPress theme designed to build job board portals. It provides the essential interface and functional framework for employers to post listings and for candidates to manage their profiles and applications on a website.

What does CWE-288 mean for CVE-2025-54738?

CWE-288, or Authentication Bypass Using an Alternate Path or Channel, is the class of weakness identified here. It means the software unintentionally provides a secondary or hidden way to gain entry into the system that ignores the primary login checks, allowing someone to access protected features without proving who they are.

How does an attacker trigger this authentication flaw?

An attacker targets this vulnerability by interacting with the specific, unprotected web pathway within the theme that the software failed to secure properly. This flaw does not require the attacker to have valid credentials, nor does it rely on them guessing passwords; the system simply accepts the connection as authorized due to the bypass.

Why does Halo Surface Signal categorize this as external?

Halo Surface Signal labels this as external because Jobmonster is a web-based component designed to power public-facing portals. Since these themes are intended to be accessed by users over the internet, the authentication pathways are inherently reachable from outside the private network, increasing the risk of unauthorized access.

Do I need to take action if I run Jobmonster?

Yes. Start by confirming if your site currently has the affected theme installed. Once identified, evaluate how critical that specific portal is to your business and determine if it is reachable over the internet. Prioritize communication with your site administrators to coordinate a risk-based plan for securing or updating the installation.

References