CVE-2024-11715: WP Job Portal Privilege Escalation Flaw

CVE-2024-11715 Overview

CVE-2024-11715 is a critical authorization bypass vulnerability affecting the WP Job Portal plugin for WordPress, a popular recruitment management system used by job board and company websites. The vulnerability exists due to a missing capability check on the assignUserRole() function in all versions up to and including 2.2.2. This security flaw allows unauthenticated attackers to escalate their privileges to that of an employer, effectively gaining unauthorized access to sensitive recruitment functionality.

Critical Impact

Unauthenticated attackers can exploit this vulnerability to elevate privileges to employer-level access, potentially compromising job posting systems, candidate data, and recruitment workflows without any authentication requirements.

Affected Products

• WP Job Portal plugin for WordPress versions up to and including 2.2.2
• WordPress websites running vulnerable versions of wpjobportal/wp_job_portal
• Job board and recruitment system implementations utilizing the affected plugin

Discovery Timeline

• 2024-12-14 - CVE-2024-11715 published to NVD
• 2025-02-06 - Last updated in NVD database

Technical Details for CVE-2024-11715

Vulnerability Analysis

This vulnerability falls under CWE-862 (Missing Authorization), representing a fundamental access control flaw in the plugin's user role management functionality. The assignUserRole() function fails to verify whether the requesting user has the appropriate capabilities before processing role assignment requests. This architectural weakness means the function executes without validating authentication state or authorization levels, allowing any external request to manipulate user roles within the system.

The absence of proper capability checks in this context is particularly dangerous because role assignment is a privileged administrative operation that should require authentication and elevated permissions. Instead, the vulnerable code path accepts and processes role modification requests from unauthenticated sources.

Root Cause

The root cause of CVE-2024-11715 is the absence of WordPress capability verification in the assignUserRole() function located in modules/user/controller.php. WordPress plugins should implement capability checks using functions like current_user_can() before executing privileged operations. The vulnerable implementation processes role assignment requests without these essential authorization gates, creating a direct path for privilege escalation attacks.

Attack Vector

The vulnerability is exploitable over the network without requiring any authentication, user interaction, or special conditions. An attacker can craft malicious HTTP requests targeting the assignUserRole() function endpoint. Upon successful exploitation, the attacker gains employer-level privileges within the WP Job Portal system, which could include:

• Access to job posting creation and management features
• Visibility into applicant submissions and candidate information
• Modification of company profiles and recruitment settings
• Potential lateral movement to other WordPress administrative functions

The attack requires no prior authentication, making it particularly accessible to opportunistic attackers scanning for vulnerable WordPress installations.

Detection Methods for CVE-2024-11715

Indicators of Compromise

• Unexpected user role changes in WordPress user database, particularly accounts gaining employer privileges without legitimate registration
• Unusual HTTP requests targeting WP Job Portal user controller endpoints from external IP addresses
• Newly created employer accounts with suspicious activity patterns or lacking standard registration metadata
• Log entries showing assignUserRole() function calls from unauthenticated sessions

Detection Strategies

• Implement web application firewall (WAF) rules to monitor and alert on requests to WP Job Portal user management endpoints
• Enable comprehensive WordPress logging and audit user role changes through security plugins
• Review server access logs for patterns of requests targeting /wp-content/plugins/wp-job-portal/modules/user/ paths
• Deploy endpoint detection to identify post-exploitation activities following privilege escalation

Monitoring Recommendations

• Establish baseline metrics for normal user registration and role assignment activity to detect anomalies
• Configure alerts for bulk or rapid role assignment operations that deviate from normal patterns
• Monitor for suspicious job postings or employer profile modifications that may indicate compromised accounts
• Integrate WordPress security events with SIEM solutions for centralized threat detection

How to Mitigate CVE-2024-11715

Immediate Actions Required

• Update WP Job Portal plugin to version 2.2.3 or later immediately on all affected WordPress installations
• Audit existing user accounts for unauthorized employer role assignments that may indicate prior exploitation
• Review recent activity logs for signs of privilege escalation attempts or suspicious account behavior
• Temporarily disable the WP Job Portal plugin if immediate patching is not possible

Patch Information

The vendor has released version 2.2.3 which addresses this vulnerability by implementing proper capability checks in the assignUserRole() function. The fix can be reviewed in the WordPress Plugin Changeset. Additional technical details are available in the Wordfence Vulnerability Report.

Workarounds

• Implement WAF rules to block unauthenticated requests to WP Job Portal user management endpoints until patching is complete
• Restrict access to WordPress admin and plugin directories at the web server level using IP allowlisting
• Consider temporarily deactivating the WP Job Portal plugin if the site can operate without recruitment functionality
• Enable WordPress maintenance mode to limit exposure while applying security updates

# Example .htaccess rules to restrict access to WP Job Portal endpoints
<IfModule mod_rewrite.c>
RewriteEngine On
RewriteCond %{REQUEST_URI} wp-job-portal/modules/user/ [NC]
RewriteCond %{HTTP_COOKIE} !wordpress_logged_in [NC]
RewriteRule .* - [F,L]
</IfModule>