CVE-2024-43266 Overview
CVE-2024-43266 is an Insecure Direct Object Reference (IDOR) vulnerability in the WP Job Portal plugin for WordPress. The flaw affects all versions up to and including 2.1.8. An authenticated attacker with low privileges can manipulate user-controlled keys to access or modify resources belonging to other users. The issue maps to CWE-639: Authorization Bypass Through User-Controlled Key.
Critical Impact
Authenticated attackers can bypass authorization checks over the network to compromise confidentiality, integrity, and availability of data managed by the WP Job Portal plugin.
Affected Products
- WP Job Portal WordPress plugin versions up to and including 2.1.8
- WordPress sites running the wp-job-portal job board plugin
- Deployments exposing plugin endpoints to authenticated users
Discovery Timeline
- 2024-08-18 - CVE-2024-43266 published to NVD
- 2026-06-17 - Last updated in NVD database
Technical Details for CVE-2024-43266
Vulnerability Analysis
The WP Job Portal plugin exposes functionality that accepts identifiers from client requests without verifying that the authenticated user owns the referenced object. An attacker who holds any low-privileged account can substitute another user's identifier and interact with records that should be out of scope. The result is horizontal, and in some cases vertical, privilege escalation across job seeker, employer, and administrative resources.
Exploitation requires network access to the WordPress site and a valid session, but no user interaction. Successful attacks can expose personally identifiable information stored in candidate profiles, tamper with job postings and applications, and disrupt plugin-managed workflows.
Root Cause
The root cause is missing authorization enforcement on object identifiers passed through plugin request parameters. Server-side handlers trust user-supplied keys such as record IDs when loading, updating, or deleting resources. The plugin fails to confirm that the current session is authorized for the referenced object before executing the requested operation.
Attack Vector
Exploitation occurs over HTTP or HTTPS against the WordPress front end or admin AJAX endpoints exposed by the plugin. An attacker authenticates with a low-privilege account, intercepts a legitimate request, and swaps the target object identifier for one belonging to another user. Because the plugin does not validate ownership, the server processes the request as if it were legitimate.
No verified public proof-of-concept code is available. Refer to the Patchstack WP Job Portal Vulnerability advisory for additional technical context.
Detection Methods for CVE-2024-43266
Indicators of Compromise
- Requests to WP Job Portal endpoints where the object identifier parameter does not match records owned by the authenticated session user.
- Unexpected access, modification, or deletion of job listings, applications, or candidate profiles by non-administrative accounts.
- Sequential or enumerated identifier values in query strings or POST bodies targeting plugin actions.
Detection Strategies
- Enable verbose access logging on WordPress and correlate authenticated user IDs with the object IDs they operate on across plugin requests.
- Deploy a Web Application Firewall (WAF) rule set that flags parameter tampering against wp-job-portal action handlers.
- Review database audit trails for cross-account writes to plugin tables that store jobs, resumes, and applications.
Monitoring Recommendations
- Alert on bursts of requests targeting the same plugin endpoint with iterating numeric identifiers.
- Baseline typical per-role activity for job seekers and employers, then alert on deviations that touch other users' records.
- Forward WordPress and web server logs to a centralized analytics platform for retention and correlation with authentication events.
How to Mitigate CVE-2024-43266
Immediate Actions Required
- Upgrade WP Job Portal to a version later than 2.1.8 as soon as a fixed release is deployed by the vendor.
- Audit existing user accounts and remove stale or unused low-privilege accounts that could be leveraged for exploitation.
- Review plugin-managed data for signs of unauthorized reads or modifications since the vulnerable version was installed.
Patch Information
The issue affects WP Job Portal from unspecified initial versions through 2.1.8. Site operators should consult the Patchstack advisory and the plugin's WordPress.org listing for the latest fixed version and upgrade guidance.
Workarounds
- Temporarily disable the WP Job Portal plugin if a patched version cannot be applied immediately.
- Restrict access to plugin endpoints using WAF rules that enforce ownership checks or block anomalous identifier values.
- Limit registration and role assignment so that only trusted users can obtain accounts capable of reaching the vulnerable endpoints.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
