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Vulnerability Database/CVE-2025-39477

CVE-2025-39477: InWave Jobs Auth Bypass Vulnerability

CVE-2025-39477 is an authorization bypass flaw in InWave Jobs by Sfwebservice that allows attackers to exploit misconfigured access controls. This article covers technical details, affected versions up to 3.5.8, and mitigation.

Updated:

CVE-2025-39477 Overview

CVE-2025-39477 is a Missing Authorization vulnerability (CWE-862) affecting the Sfwebservice InWave Jobs WordPress plugin. This broken access control vulnerability allows attackers to exploit incorrectly configured access control security levels, potentially enabling unauthorized access to sensitive functionality and data within WordPress installations using this job board plugin.

Critical Impact

This vulnerability allows unauthenticated attackers to bypass authorization controls and access protected functionality in the InWave Jobs plugin, potentially compromising job listings, applicant data, and administrative functions.

Affected Products

  • Sfwebservice InWave Jobs plugin versions through 3.5.8
  • WordPress installations using the vulnerable InWave Jobs plugin
  • Websites with job board functionality powered by InWave Jobs

Discovery Timeline

  • 2026-01-06 - CVE CVE-2025-39477 published to NVD
  • 2026-01-08 - Last updated in NVD database

Technical Details for CVE-2025-39477

Vulnerability Analysis

This vulnerability stems from missing authorization checks in the InWave Jobs WordPress plugin. The plugin fails to properly verify user permissions before allowing access to restricted functionality, creating a broken access control condition. Attackers can exploit this weakness remotely without requiring authentication, making it particularly dangerous for public-facing WordPress sites.

The vulnerability allows attackers to access administrative or privileged functionality that should be restricted to authorized users only. In the context of a job board plugin like InWave Jobs, this could include accessing applicant personal information, modifying job listings, or manipulating employer accounts.

Root Cause

The root cause is the absence of proper authorization checks (CWE-862: Missing Authorization) in the plugin's access control implementation. The plugin does not adequately verify whether the requesting user has the necessary permissions to perform certain actions, allowing any user—including unauthenticated visitors—to access protected resources and functionality.

This type of vulnerability typically occurs when developers assume that hiding functionality from the user interface is sufficient protection, without implementing server-side authorization validation for each sensitive operation.

Attack Vector

The attack is network-based and requires no authentication or user interaction. An attacker can directly send crafted HTTP requests to vulnerable endpoints in the InWave Jobs plugin. Since the plugin fails to verify authorization, these requests are processed regardless of the attacker's privilege level.

The exploitation path involves identifying unprotected AJAX handlers, REST API endpoints, or direct action hooks within the plugin that perform sensitive operations without proper capability checks. Once identified, an attacker can invoke these endpoints directly to access or manipulate protected data.

Detection Methods for CVE-2025-39477

Indicators of Compromise

  • Unexpected HTTP requests to InWave Jobs plugin endpoints from unauthenticated sessions
  • Unusual access patterns to job application data or employer account information
  • Direct requests to plugin AJAX handlers without corresponding WordPress nonce verification
  • Unauthorized modifications to job listings or applicant records in the database

Detection Strategies

  • Monitor WordPress access logs for requests to /wp-admin/admin-ajax.php with InWave Jobs action parameters from unauthenticated users
  • Implement Web Application Firewall (WAF) rules to detect and block suspicious requests to the plugin's endpoints
  • Enable WordPress debug logging to capture unauthorized access attempts
  • Review audit logs for unexpected changes to job board content or settings

Monitoring Recommendations

  • Deploy endpoint detection solutions to monitor for suspicious WordPress plugin activity
  • Configure alerts for bulk access to applicant data or job listings
  • Monitor for privilege escalation attempts within WordPress user accounts
  • Regularly audit InWave Jobs plugin configuration and user access patterns

How to Mitigate CVE-2025-39477

Immediate Actions Required

  • Update the InWave Jobs plugin to a patched version if available from the vendor
  • If no patch is available, consider temporarily deactivating the InWave Jobs plugin until a fix is released
  • Implement additional access control at the web server or WAF level to restrict access to sensitive plugin endpoints
  • Review WordPress user accounts and remove any unauthorized accounts that may have been created

Patch Information

Consult the Patchstack Vulnerability Database Entry for the latest patch status and vendor remediation guidance. Organizations should monitor for plugin updates from Sfwebservice and apply security patches as soon as they become available.

Workarounds

  • Restrict access to WordPress admin-ajax.php endpoints using server-level access controls for untrusted users
  • Implement a Web Application Firewall with rules to block unauthorized access to InWave Jobs plugin functionality
  • Use WordPress security plugins that provide additional capability checks and access logging
  • Consider temporarily replacing InWave Jobs with an alternative job board plugin until patched
bash
# Apache .htaccess configuration to restrict access to admin-ajax.php
# Add additional authentication or IP restrictions as needed
<Files admin-ajax.php>
    # Allow only trusted IPs or require authentication
    # Customize based on your environment
    Order Deny,Allow
    Deny from all
    # Allow your known admin IPs
    Allow from 192.168.1.0/24
</Files>

Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.

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