CVE-2026-24379: WP Job Portal Auth Bypass Vulnerability

CVE-2026-24379 Overview

CVE-2026-24379 is an Authorization Bypass Through User-Controlled Key vulnerability affecting the WP Job Portal plugin for WordPress. This Insecure Direct Object Reference (IDOR) vulnerability allows attackers to exploit incorrectly configured access control security levels, potentially enabling unauthorized access to job portal resources and data that should be restricted.

Critical Impact

Attackers can bypass authorization controls by manipulating user-controlled keys, allowing unauthorized access to restricted job portal functionality and sensitive data belonging to other users.

Affected Products

• WP Job Portal plugin for WordPress versions through 2.4.3

Discovery Timeline

• 2026-01-22 - CVE CVE-2026-24379 published to NVD
• 2026-01-22 - Last updated in NVD database

Technical Details for CVE-2026-24379

Vulnerability Analysis

This vulnerability falls under CWE-639 (Authorization Bypass Through User-Controlled Key), commonly known as Insecure Direct Object Reference (IDOR). The WP Job Portal plugin fails to properly validate user authorization when accessing resources identified by user-controlled keys or identifiers.

In IDOR vulnerabilities, the application uses user-supplied input to directly access objects (such as database records, files, or other resources) without adequately verifying that the requesting user has the appropriate permissions to access the specified resource. This allows attackers to manipulate these identifiers to access data or functionality belonging to other users.

Root Cause

The root cause of this vulnerability lies in the plugin's access control implementation. The WP Job Portal plugin through version 2.4.3 does not properly verify that a user requesting access to a particular resource is authorized to access that specific object. Instead of performing proper authorization checks that validate both authentication and authorization for each resource access, the plugin relies on user-supplied parameters to determine which resources to access.

Attack Vector

An attacker can exploit this vulnerability by manipulating object identifiers in requests to the vulnerable plugin endpoints. By modifying parameters such as job IDs, user IDs, or application IDs in HTTP requests, an authenticated or potentially unauthenticated attacker could access, modify, or delete resources belonging to other users or gain elevated privileges within the job portal system.

The attack typically involves:

1. Identifying endpoints that accept user-controlled identifiers
2. Observing the pattern of identifiers (sequential numbers, predictable tokens, etc.)
3. Modifying these identifiers to reference other users' resources
4. Bypassing authorization checks to access restricted functionality

For technical details regarding this vulnerability, refer to the Patchstack Vulnerability Report.

Detection Methods for CVE-2026-24379

Indicators of Compromise

• Unusual access patterns to job portal resources with sequential or enumerated identifiers
• Log entries showing users accessing resources that don't belong to their account
• HTTP requests containing modified or incremented ID parameters targeting job portal endpoints
• Unexpected data exposure or modifications to job listings, applications, or user profiles

Detection Strategies

• Monitor web application logs for suspicious parameter manipulation in WP Job Portal plugin requests
• Implement web application firewall (WAF) rules to detect and block IDOR attack patterns
• Deploy SentinelOne Singularity to detect anomalous access patterns and unauthorized data access attempts
• Review access logs for patterns indicating enumeration of object identifiers

Monitoring Recommendations

• Enable detailed logging for the WP Job Portal plugin and associated WordPress activity
• Set up alerts for access attempts to resources with non-matching user ownership
• Monitor for bulk requests that may indicate automated IDOR exploitation attempts
• Implement real-time monitoring of WordPress plugin activity with endpoint detection solutions

How to Mitigate CVE-2026-24379

Immediate Actions Required

• Update the WP Job Portal plugin to a version newer than 2.4.3 when a patched version becomes available
• Review and audit existing job portal data for signs of unauthorized access or modifications
• Implement additional access control measures at the web server or WAF level
• Consider temporarily disabling the plugin if it is not critical to operations until a patch is available

Patch Information

Users should monitor the official WP Job Portal plugin page on WordPress.org for security updates addressing this vulnerability. The plugin developer should release a patched version that implements proper authorization checks for all resource access operations. Review the Patchstack vulnerability database for updated patch information and remediation guidance.

Workarounds

• Implement web application firewall rules to validate and sanitize object identifier parameters
• Add server-side access control validation at the web server level for sensitive plugin endpoints
• Restrict plugin access to authenticated and trusted users only until the vulnerability is patched
• Use WordPress security plugins that provide additional access control layers and IDOR protection

# Example: Restrict access to WP Job Portal admin pages via .htaccess
# Add to WordPress .htaccess file to limit access by IP
<IfModule mod_rewrite.c>
  RewriteEngine On
  RewriteCond %{REQUEST_URI} ^.*wp-job-portal.*$ [NC]
  RewriteCond %{REMOTE_ADDR} !^(YOUR\.TRUSTED\.IP\.ADDRESS)$
  RewriteRule ^(.*)$ - [F,L]
</IfModule>