CVE-2023-41955
📋 TL;DR
This vulnerability allows contributors on WordPress sites using Essential Addons for Elementor to escalate their privileges to administrator level. It affects all WordPress installations running Essential Addons for Elementor versions up to 5.8.8. Attackers with contributor access can gain full administrative control over affected WordPress sites.
💻 Affected Systems
- Essential Addons for Elementor WordPress Plugin
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete site takeover where attackers gain administrator privileges, install backdoors, deface websites, steal sensitive data, or use the site for further attacks.
Likely Case
Contributors or compromised contributor accounts escalate to administrators, enabling content manipulation, plugin/theme installation, and user management.
If Mitigated
With proper access controls and monitoring, impact is limited to detection and remediation of unauthorized privilege changes.
🎯 Exploit Status
Exploitation requires contributor-level access. Public proof-of-concept exists demonstrating the privilege escalation technique.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 5.8.9 and later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'Essential Addons for Elementor'. 4. Click 'Update Now' if available, or download version 5.8.9+ from WordPress.org. 5. Activate the updated plugin.
🔧 Temporary Workarounds
Disable Essential Addons for Elementor
allTemporarily deactivate the vulnerable plugin until patched
wp plugin deactivate essential-addons-for-elementor-lite
Restrict Contributor Access
allTemporarily remove or restrict contributor user roles
wp user list --role=contributor --field=ID | xargs wp user set-role subscriber
🧯 If You Can't Patch
- Implement strict access controls and monitor contributor account activity
- Deploy web application firewall rules to detect privilege escalation attempts
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Essential Addons for Elementor → Version. If version is 5.8.8 or lower, you are vulnerable.Check Version:
wp plugin get essential-addons-for-elementor-lite --field=versionVerify Fix Applied:
Confirm plugin version is 5.8.9 or higher in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unexpected user role changes from contributor to administrator
- Unusual plugin/theme installation by contributor accounts
- Failed privilege escalation attempts in WordPress logs
Network Indicators:
- HTTP POST requests to admin-ajax.php with privilege escalation parameters
- Unusual admin panel access from contributor IP addresses
SIEM Query:
source="wordpress.log" AND ("user_role_changed" OR "capabilities_modified") AND user_role="contributor"🔗 References
- https://patchstack.com/database/vulnerability/essential-addons-for-elementor-lite/wordpress-essential-addons-for-elementor-plugin-5-8-8-contributor-privilege-escalation-vulnerability?_s_id=cve
- https://patchstack.com/database/vulnerability/essential-addons-for-elementor-lite/wordpress-essential-addons-for-elementor-plugin-5-8-8-contributor-privilege-escalation-vulnerability?_s_id=cve
