CVE-2024-49676

6.6 MEDIUM

📋 TL;DR

This vulnerability allows attackers to upload arbitrary files, including web shells, to WordPress servers running the vulnerable Custom Icons for Elementor plugin. Attackers can gain remote code execution and potentially take over affected websites. All WordPress sites using this plugin version 0.3.3 or earlier are affected.

💻 Affected Systems

Products:
  • Custom Icons for Elementor WordPress plugin
Versions: n/a through 0.3.3
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Requires WordPress with Elementor plugin installed. No special configuration needed.

⚠️ Manual Verification Required

This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.

Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).

🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.

Recommended Actions:
  1. Review the CVE details at NVD
  2. Check vendor security advisories for your specific version
  3. Test if the vulnerability is exploitable in your environment
  4. Consider updating to the latest version as a precaution

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete server compromise leading to data theft, defacement, malware distribution, and lateral movement to other systems.

🟠

Likely Case

Website takeover, backdoor installation, credential theft, and unauthorized content modification.

🟢

If Mitigated

Limited impact if file uploads are restricted at web server level or if plugin is disabled.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

Exploitation requires authenticated access to WordPress admin or contributor roles. Public exploit code exists.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 0.3.4 or later

Vendor Advisory: https://patchstack.com/database/vulnerability/custom-icons-for-elementor/wordpress-custom-icons-for-elementor-plugin-0-3-3-arbitrary-file-upload-vulnerability?_s_id=cve

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Go to Plugins > Installed Plugins. 3. Find 'Custom Icons for Elementor'. 4. Click 'Update Now' if available. 5. If no update appears, manually download version 0.3.4+ from WordPress repository.

🔧 Temporary Workarounds

Disable plugin

all

Temporarily disable the vulnerable plugin until patched

wp plugin deactivate custom-icons-for-elementor

Restrict upload directory permissions

linux

Set upload directory to read-only for web server user

chmod -R 755 /wp-content/uploads/custom-icons/
chown -R root:root /wp-content/uploads/custom-icons/

🧯 If You Can't Patch

  • Disable the Custom Icons for Elementor plugin immediately
  • Implement web application firewall rules to block file uploads to the affected endpoint

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel > Plugins > Custom Icons for Elementor version. If version is 0.3.3 or earlier, you are vulnerable.

Check Version:

wp plugin get custom-icons-for-elementor --field=version

Verify Fix Applied:

Verify plugin version is 0.3.4 or later in WordPress admin panel. Test file upload functionality with malicious file extensions.

📡 Detection & Monitoring

Log Indicators:

  • File uploads to /wp-content/uploads/custom-icons/ with .php, .phtml, .php5 extensions
  • Unauthorized admin or contributor login attempts followed by file uploads

Network Indicators:

  • POST requests to /wp-admin/admin-ajax.php with file upload parameters
  • Unusual outbound connections from web server

SIEM Query:

source="wordpress.log" AND ("admin-ajax.php" AND "action=upload_custom_icon") AND ("\.php" OR "\.phtml" OR "\.php5")

🔗 References

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