CVE-2018-19488
📋 TL;DR
This vulnerability allows remote unauthenticated attackers to reset any user's password in WordPress sites using the WP-jobhunt plugin. Attackers can exploit this by sending specially crafted AJAX requests to the admin-ajax.php endpoint. All WordPress installations with vulnerable versions of WP-jobhunt plugin are affected.
💻 Affected Systems
- WP-jobhunt WordPress plugin
📦 What is this software?
Wp Jobhunt by Wp Jobhunt Project
⚠️ Risk & Real-World Impact
Worst Case
Complete site takeover where attackers reset administrator passwords, gain full control over the WordPress installation, and potentially compromise the entire server.
Likely Case
Attackers reset user passwords to gain unauthorized access to accounts, potentially leading to data theft, content manipulation, or privilege escalation.
If Mitigated
With proper controls, impact is limited to temporary account lockouts and user inconvenience until passwords are restored.
🎯 Exploit Status
Simple HTTP POST request to admin-ajax.php with specific parameters. Multiple public exploit scripts available.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.4
Vendor Advisory: https://wpvulndb.com/vulnerabilities/9206
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find WP-jobhunt plugin. 4. Click 'Update Now' if update available. 5. If no update available, deactivate and delete plugin, then install version 2.4+ from official repository.
🔧 Temporary Workarounds
Temporary plugin deactivation
allDisable the vulnerable plugin until patched version can be installed
wp plugin deactivate wp-jobhunt
Restrict admin-ajax.php access
linuxBlock or restrict access to admin-ajax.php endpoint via web application firewall or .htaccess
# Add to .htaccess:
<Files "admin-ajax.php">
Order Deny,Allow
Deny from all
Allow from 192.168.0.0/16
</Files>
🧯 If You Can't Patch
- Implement web application firewall rules to block suspicious AJAX requests to admin-ajax.php
- Enable strong password policies and multi-factor authentication to reduce impact of password resets
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel → Plugins → WP-jobhunt version. If version is below 2.4, system is vulnerable.Check Version:
wp plugin list --name=wp-jobhunt --field=versionVerify Fix Applied:
Confirm WP-jobhunt plugin version is 2.4 or higher in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Multiple POST requests to /wp-admin/admin-ajax.php with action=cs_reset_pass
- Unusual password reset activity in WordPress logs
- Failed login attempts followed by password reset requests
Network Indicators:
- HTTP POST requests to admin-ajax.php with cs_reset_pass parameter
- Unusual traffic patterns to WordPress admin endpoints from external IPs
SIEM Query:
source="wordpress.log" AND "admin-ajax.php" AND "cs_reset_pass"