CVE-2024-37489
📋 TL;DR
This vulnerability allows authenticated attackers to inject malicious scripts into WordPress pages using the Ocean Extra plugin. When executed, these scripts can steal session cookies, redirect users, or perform actions on their behalf. All WordPress sites using Ocean Extra plugin versions up to 2.2.9 are affected.
💻 Affected Systems
- Ocean Extra WordPress Plugin
📦 What is this software?
Ocean Extra by Oceanwp
⚠️ Risk & Real-World Impact
Worst Case
Attackers could steal administrator credentials, take over the WordPress site, deface content, or install backdoors for persistent access.
Likely Case
Attackers with contributor-level access could inject malicious scripts that affect visitors, potentially stealing their session data or redirecting them to phishing sites.
If Mitigated
With proper input validation and output escaping, the malicious scripts would be neutralized before reaching users' browsers.
🎯 Exploit Status
Exploitation requires authenticated access to WordPress. The vulnerability details and proof-of-concept are publicly available.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.2.10 or later
Vendor Advisory: https://patchstack.com/database/vulnerability/ocean-extra/wordpress-ocean-extra-plugin-2-2-9-authenticated-cross-site-scripting-xss-vulnerability
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find Ocean Extra and click 'Update Now'. 4. Verify the plugin version is 2.2.10 or higher.
🔧 Temporary Workarounds
Disable Ocean Extra Plugin
allTemporarily disable the vulnerable plugin until patched
wp plugin deactivate ocean-extra
Restrict User Roles
allLimit contributor and author roles to trusted users only
🧯 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
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Ocean Extra → Version. If version is 2.2.9 or lower, you are vulnerable.Check Version:
wp plugin get ocean-extra --field=versionVerify Fix Applied:
After updating, confirm Ocean Extra version is 2.2.10 or higher in WordPress plugins list.📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to WordPress admin-ajax.php with script tags
- Multiple failed login attempts followed by successful contributor/admin login
Network Indicators:
- HTTP requests containing <script> tags in parameters
- Unexpected outbound connections from WordPress server
SIEM Query:
source="wordpress.log" AND ("ocean-extra" OR "admin-ajax") AND ("<script>" OR "javascript:")🔗 References
- https://patchstack.com/database/vulnerability/ocean-extra/wordpress-ocean-extra-plugin-2-2-9-authenticated-cross-site-scripting-xss-vulnerability?_s_id=cve
- https://patchstack.com/database/vulnerability/ocean-extra/wordpress-ocean-extra-plugin-2-2-9-authenticated-cross-site-scripting-xss-vulnerability?_s_id=cve
