CVE-2024-12525
📋 TL;DR
This stored XSS vulnerability in the Easy MLS Listings Import WordPress plugin allows authenticated attackers with contributor-level access or higher to inject malicious scripts into website pages. The scripts execute whenever users visit compromised pages, potentially stealing credentials or performing unauthorized actions. All WordPress sites using this plugin up to version 2.0.1 are affected.
💻 Affected Systems
- Easy MLS Listings Import WordPress Plugin
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Attackers could steal administrator credentials, deface websites, redirect users to malicious sites, or install backdoors for persistent access.
Likely Case
Attackers with contributor accounts inject malicious scripts to steal user session cookies or credentials, potentially escalating privileges.
If Mitigated
With proper access controls limiting contributor accounts and input validation, impact is limited to isolated script execution without data compromise.
🎯 Exploit Status
Exploitation requires authenticated access but is technically simple once an attacker has contributor-level credentials.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.0.2 or later
Vendor Advisory: https://plugins.trac.wordpress.org/browser/easy-mls-listings-import/trunk/includes/class-homeasap-featured-listings-loader.php
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'Easy MLS Listings Import'. 4. Click 'Update Now' if available. 5. Alternatively, download latest version from WordPress repository and replace plugin files.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the vulnerable plugin until patched
wp plugin deactivate easy-mls-listings-import
Restrict Contributor Access
allTemporarily remove contributor-level user accounts or restrict their permissions
🧯 If You Can't Patch
- Implement web application firewall (WAF) rules to block XSS payloads in shortcode attributes
- Enable Content Security Policy (CSP) headers to restrict script execution sources
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Easy MLS Listings Import > Version. If version is 2.0.1 or lower, you are vulnerable.Check Version:
wp plugin get easy-mls-listings-import --field=versionVerify Fix Applied:
After updating, verify plugin version shows 2.0.2 or higher in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to WordPress admin-ajax.php with homeasap-featured-listings parameters
- Multiple failed login attempts followed by successful contributor-level login
Network Indicators:
- HTTP requests containing script tags or JavaScript in shortcode attribute parameters
SIEM Query:
source="wordpress.log" AND ("homeasap-featured-listings" OR "easy-mls") AND ("script" OR "javascript" OR "onclick")