CVE-2024-4333 – This vulnerability allows authenticated WordPre... (How to Fix)

Q: What is the severity of CVE-2024-4333?

CVE-2024-4333 has a CVSS score of 6.4 (MEDIUM). This vulnerability allows authenticated WordPress users with contributor-level permissions or higher to inject malicious JavaScript into pages using the Sina Extension for Elementor plugin. The injected scripts execute when other users view the compromised pages, enabling cross-site scripting attacks. All WordPress sites using vulnerable versions of this plugin are affected.

📋 TL;DR

This vulnerability allows authenticated WordPress users with contributor-level permissions or higher to inject malicious JavaScript into pages using the Sina Extension for Elementor plugin. The injected scripts execute when other users view the compromised pages, enabling cross-site scripting attacks. All WordPress sites using vulnerable versions of this plugin are affected.

💻 Affected Systems

Products:

Sina Extension for Elementor WordPress plugin

Versions: Up to and including version 3.5.3

Operating Systems: All operating systems running WordPress

Default Config Vulnerable: ⚠️ Yes

Notes: Requires WordPress with Elementor page builder and the Sina Extension plugin installed. Contributor-level or higher permissions needed for exploitation.

📦 What is this software?

Sina Extension For Elementor by Sinaextra

View all CVEs affecting Sina Extension For Elementor →

⚠️ Risk & Real-World Impact

🔴

Worst Case

Attackers could steal administrator credentials, perform actions as authenticated users, deface websites, or redirect visitors to malicious sites.

🟠

Likely Case

Attackers with contributor access inject malicious scripts to steal session cookies or perform limited actions within the WordPress environment.

🟢

If Mitigated

With proper input validation and output escaping, the vulnerability would be prevented, and only legitimate content would be displayed.

🌐 Internet-Facing: HIGH

🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ✅ No

Weaponized: LIKELY

Unauthenticated Exploit: ✅ No

Complexity: LOW

Exploitation requires authenticated access with contributor permissions. The vulnerability is in DOM manipulation functions with insufficient sanitization.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Version 3.5.4 or later

Vendor Advisory: https://plugins.trac.wordpress.org/changeset/3085825/

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'Sina Extension for Elementor'. 4. Click 'Update Now' if available. 5. Alternatively, download latest version from WordPress repository and replace plugin files.

🔧 Temporary Workarounds

Temporary Plugin Deactivation

all

Disable the vulnerable plugin until patched

wp plugin deactivate sina-extension-for-elementor

Restrict User Permissions

all

Temporarily remove contributor-level permissions from untrusted users

🧯 If You Can't Patch

Implement Content Security Policy (CSP) headers to restrict script execution
Use web application firewall (WAF) rules to block XSS payloads in plugin parameters

🔍 How to Verify

Check if Vulnerable:

Check plugin version in WordPress admin under Plugins → Installed Plugins. Look for 'Sina Extension for Elementor' version 3.5.3 or earlier.

Check Version:

wp plugin get sina-extension-for-elementor --field=version

Verify Fix Applied:

Verify plugin version is 3.5.4 or later. Test plugin functionality to ensure updates didn't break features.

📡 Detection & Monitoring

Log Indicators:

Unusual POST requests to plugin endpoints with script-like parameters
Multiple failed authentication attempts followed by successful contributor login

Network Indicators:

HTTP requests containing script tags or JavaScript in plugin parameter values
Unexpected outbound connections after page loads

SIEM Query:

source="wordpress" AND (uri_path="/wp-admin/admin-ajax.php" OR uri_path CONTAINS "sina") AND (http_params CONTAINS "<script" OR http_params CONTAINS "javascript:")

📊 Metadata

CVE ID: CVE-2024-4333

CVSS v3 Score: 6.4 (MEDIUM)

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

CWE: CWE-79

Published: May 14, 2024

Last Updated: February 4, 2025

🔗 References

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