CVE-2024-10453

6.4 MEDIUM

📋 TL;DR

This vulnerability allows authenticated WordPress users with contributor-level access or higher to inject malicious scripts into website pages through Elementor's typography settings. The scripts execute whenever users view the compromised pages, enabling session hijacking, defacement, or malware distribution. All WordPress sites using Elementor plugin versions up to 3.25.9 are affected.

💻 Affected Systems

Products:
  • Elementor Website Builder WordPress Plugin
Versions: All versions up to and including 3.25.9
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Requires WordPress installation with Elementor plugin enabled. Contributor role or higher needed for exploitation.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Attackers could steal administrator credentials, redirect users to malicious sites, install backdoors, or completely compromise the WordPress site and potentially the hosting server.

🟠

Likely Case

Site defacement, cookie/session theft leading to account takeover, or injection of cryptocurrency miners/adware into visitor browsers.

🟢

If Mitigated

Limited to authenticated users only, with minimal impact if proper user role management and content review processes are in place.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ⚠️ Yes
Weaponized: LIKELY
Unauthenticated Exploit: ✅ No
Complexity: LOW

Exploitation requires authenticated access but is straightforward once attacker has contributor credentials. Public proof-of-concept exists in security advisories.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 3.26.0 and later

Vendor Advisory: https://wordpress.org/plugins/elementor/#developers

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find Elementor plugin. 4. Click 'Update Now' if available, or manually update to version 3.26.0+. 5. Clear any caching plugins/CDN caches.

🔧 Temporary Workarounds

Restrict User Roles

all

Temporarily limit contributor-level access or review all user accounts with editing privileges.

Content Security Policy

linux

Implement CSP headers to restrict script execution sources.

Add to .htaccess: Header set Content-Security-Policy "default-src 'self'; script-src 'self' 'unsafe-inline' https://trusted.cdn.com;"

🧯 If You Can't Patch

  • Disable Elementor plugin temporarily and use default WordPress editor
  • Implement web application firewall rules to block suspicious script injection patterns

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin → Plugins → Elementor → Version. If version is 3.25.9 or lower, you are vulnerable.

Check Version:

wp plugin list --name=elementor --field=version (if WP-CLI installed)

Verify Fix Applied:

Confirm Elementor version is 3.26.0 or higher in WordPress plugins list.

📡 Detection & Monitoring

Log Indicators:

  • Unusual POST requests to /wp-admin/admin-ajax.php with typography parameters
  • Multiple failed login attempts followed by successful contributor login

Network Indicators:

  • Injected script tags in page responses containing 'elementor' or 'typography' parameters

SIEM Query:

source="wordpress.log" AND ("admin-ajax" AND "typography") OR ("elementor" AND "script" AND POST)

🔗 References

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