CVE-2024-9540

4.3 MEDIUM

📋 TL;DR

The Sina Extension for Elementor WordPress plugin exposes sensitive Elementor template data through a vulnerable widget function. Authenticated attackers with Contributor-level access or higher can extract private, pending, and draft template content. This affects all WordPress sites using vulnerable versions of this plugin.

💻 Affected Systems

Products:
  • Sina Extension for Elementor WordPress Plugin
Versions: All versions up to and including 3.5.7
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Requires WordPress with Elementor and the Sina Extension plugin installed. Contributor-level authentication is required for exploitation.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Attackers could steal unpublished content, intellectual property, or sensitive draft materials before publication, potentially causing business disruption or competitive harm.

🟠

Likely Case

Malicious contributors or compromised accounts could exfiltrate draft posts, private templates, or unpublished content for reconnaissance or content theft.

🟢

If Mitigated

With proper access controls and monitoring, impact is limited to unauthorized viewing of draft content by authenticated users.

🌐 Internet-Facing: MEDIUM
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

Exploitation requires authenticated access but is technically simple once authentication is obtained.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 3.5.8 or later

Vendor Advisory: https://plugins.trac.wordpress.org/changeset/3167197/sina-extension-for-elementor

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, or download version 3.5.8+ from WordPress repository. 5. Activate updated plugin.

🔧 Temporary Workarounds

Temporary Plugin Deactivation

all

Disable the vulnerable plugin until patched

wp plugin deactivate sina-extension-for-elementor

Restrict Contributor Access

all

Temporarily elevate contributor role requirements or reduce contributor permissions

🧯 If You Can't Patch

  • Implement strict access controls and monitor contributor-level user activities
  • Use web application firewall rules to block suspicious requests to the vulnerable endpoint

🔍 How to Verify

Check if Vulnerable:

Check plugin version in WordPress admin under Plugins > Installed Plugins. If version is 3.5.7 or lower, you are vulnerable.

Check Version:

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

Verify Fix Applied:

Confirm plugin version is 3.5.8 or higher in WordPress admin panel.

📡 Detection & Monitoring

Log Indicators:

  • Unusual GET/POST requests to /wp-content/plugins/sina-extension-for-elementor/widgets/advanced/sina-modal-box.php
  • Multiple requests for draft/private content from contributor accounts

Network Indicators:

  • Traffic patterns showing repeated access to modal box endpoints from authenticated sessions

SIEM Query:

source="wordpress.log" AND (uri_path="*sina-modal-box*" OR plugin="sina-extension-for-elementor") AND (user_role="contributor" OR user_role="author" OR user_role="editor")

🔗 References

📤 Share & Export