CVE-2026-12395: WP Job Portal SQLi Vulnerability

CVE-2026-12395 Overview

CVE-2026-12395 affects the WP Job Portal WordPress plugin in versions prior to 2.5.5. The plugin fails to sanitize and escape a parameter before using it in a SQL query. Authenticated users with subscriber-level accounts can exploit this flaw to perform SQL injection attacks against the underlying database.

Because WP Job Portal permits self-registration for subscriber accounts, the authentication barrier provides minimal protection. Any visitor can create an account and reach the vulnerable code path. The issue is tracked as a SQL Injection vulnerability [CWE-89].

Critical Impact
Subscriber-level attackers can inject arbitrary SQL statements, potentially exposing user credentials, personal data, and job application records stored in the WordPress database.

Affected Products

WP Job Portal WordPress plugin versions before 2.5.5
WordPress sites with self-registration enabled and WP Job Portal installed
Job board deployments relying on WP Job Portal for candidate and employer management

Discovery Timeline

2026-07-16 - CVE-2026-12395 published to NVD
2026-07-16 - Last updated in NVD database

Technical Details for CVE-2026-12395

Vulnerability Analysis

The WP Job Portal plugin exposes an endpoint that accepts a user-controlled parameter and concatenates it directly into a SQL query. WordPress provides prepared statement helpers through $wpdb->prepare(), but the vulnerable code path bypasses those safeguards. Attackers supply crafted input that alters query structure.

The access control model compounds the flaw. WP Job Portal targets job board sites where candidates self-register as subscribers. This design decision means the plugin treats subscriber authentication as a trust boundary, yet exposes SQL-executing functionality to that role. Any anonymous internet user can register and reach the injection point.

Successful exploitation allows attackers to extract database contents through UNION-based or blind injection techniques. Targets include the wp_users table containing hashed passwords, session tokens, and administrator email addresses. Attackers can also modify records depending on the query context.

Root Cause

The root cause is improper neutralization of special elements used in a SQL command. The plugin accepts a parameter from an authenticated request and inserts it into a query string without parameterization or type casting. See the WPScan Vulnerability Report for the affected parameter details.

Attack Vector

An attacker registers a subscriber account on the target WordPress site. The attacker then sends an HTTP request to the vulnerable plugin endpoint with a SQL payload in the affected parameter. The plugin executes the malformed query against the WordPress database and returns data through response content, error messages, or timing-based side channels.

The vulnerability requires no user interaction beyond the attacker's own authenticated session. Exploitation is scriptable with standard tools such as sqlmap once the vulnerable parameter is identified.

Detection Methods for CVE-2026-12395

Indicators of Compromise

Unexpected subscriber account registrations from anonymization services or bulk IP ranges
HTTP requests to WP Job Portal endpoints containing SQL syntax such as UNION SELECT, SLEEP(, OR 1=1, or comment sequences -- and #
Database error entries in debug.log referencing WP Job Portal query paths
Unusual outbound traffic from the web server following authenticated requests to the plugin

Detection Strategies

Inspect web server access logs for requests to WP Job Portal AJAX or REST endpoints containing URL-encoded SQL metacharacters
Deploy a Web Application Firewall (WAF) with SQL injection rulesets tuned for WordPress plugin endpoints
Enable WordPress query logging or use a database activity monitoring tool to flag anomalous queries originating from subscriber sessions
Correlate new user registrations with immediate access to plugin endpoints as a behavioral signal

Monitoring Recommendations

Monitor for spikes in 500-series HTTP responses on plugin endpoints, which often indicate injection probing
Track query execution time anomalies that may reveal time-based blind SQL injection
Alert on read operations against sensitive tables such as wp_users and wp_usermeta from web-facing PHP workers
Review authentication logs for password reset requests targeting administrator accounts following suspicious activity

How to Mitigate CVE-2026-12395

Immediate Actions Required

Update the WP Job Portal plugin to version 2.5.5 or later on all affected WordPress installations
Disable open user registration temporarily if the plugin cannot be updated immediately
Audit existing subscriber accounts for suspicious registration patterns and remove unrecognized entries
Rotate WordPress administrator credentials and force password resets if compromise is suspected

Patch Information

The plugin vendor addressed the vulnerability in WP Job Portal version 2.5.5. Site administrators should apply the update through the WordPress plugin dashboard or by replacing the plugin files manually. Verify the installed version reports 2.5.5 or higher after update. Reference the WPScan advisory for vendor patch details.

Workarounds

Restrict access to WP Job Portal endpoints through WAF rules that block SQL metacharacters in the affected parameter
Set define('DISALLOW_UNFILTERED_HTML', true); and disable self-registration by unchecking Anyone can register in WordPress General Settings
Apply the principle of least privilege by limiting database user permissions used by WordPress to the minimum required schema access
Deploy WordPress hardening plugins that enforce prepared statement usage and monitor $wpdb query patterns

bash

# Verify installed plugin version and update via WP-CLI
wp plugin get wp-job-portal --field=version
wp plugin update wp-job-portal --version=2.5.5

# Disable open registration as a temporary workaround
wp option update users_can_register 0