CVE-2024-50456
📋 TL;DR
This CVE describes a Missing Authorization vulnerability in the SEOPress WordPress plugin that allows attackers to exploit incorrectly configured access control security levels. It affects all SEOPress plugin versions up to 8.1.1, potentially allowing unauthorized users to perform actions they shouldn't have permission for.
💻 Affected Systems
- SEOPress WordPress Plugin
📦 What is this software?
Seopress by Seopress
⚠️ Risk & Real-World Impact
Worst Case
An attacker could modify SEO settings, inject malicious content, or potentially gain administrative access to the WordPress site depending on the specific access control misconfiguration.
Likely Case
Unauthorized users could modify SEO metadata, redirects, or other plugin settings that could impact search engine rankings or user experience.
If Mitigated
With proper access controls and authentication requirements, the vulnerability would be prevented from being exploited.
🎯 Exploit Status
Exploitation requires some level of access to the WordPress site, but the vulnerability bypasses authorization checks that should prevent certain actions.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 8.1.2 or later
Vendor Advisory: https://patchstack.com/database/vulnerability/wp-seopress/wordpress-seopress-plugin-8-1-1-broken-access-control-vulnerability-2?_s_id=cve
Restart Required: No
Instructions:
1. Log into WordPress admin panel
2. Navigate to Plugins → Installed Plugins
3. Find SEOPress and click 'Update Now'
4. Alternatively, download version 8.1.2+ from WordPress.org and manually update
🔧 Temporary Workarounds
Temporary Plugin Deactivation
allDisable the SEOPress plugin until it can be updated to a secure version
wp plugin deactivate wp-seopress
Access Restriction
linuxRestrict access to WordPress admin area using web server rules or firewall
# Example Apache .htaccess rule:
# Order deny,allow
# Deny from all
# Allow from 192.168.1.0/24
🧯 If You Can't Patch
- Implement strict network access controls to limit who can access the WordPress admin interface
- Enable WordPress security plugins that monitor and restrict unauthorized access attempts
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Installed Plugins → SEOPress version. If version is 8.1.1 or earlier, you are vulnerable.
Check Version:
wp plugin get wp-seopress --field=version
Verify Fix Applied:
After updating, verify SEOPress version is 8.1.2 or later in WordPress admin panel.
📡 Detection & Monitoring
Log Indicators:
- Unauthorized access attempts to SEOPress admin endpoints
- Unexpected modifications to SEO settings or metadata
Network Indicators:
- Unusual traffic patterns to /wp-admin/admin.php?page=seopress-* endpoints
SIEM Query:
source="wordpress" AND (uri_path="/wp-admin/admin.php" AND query="page=seopress") AND user_agent NOT IN ("admin_user_agents")