CVE-2023-37393
📋 TL;DR
This vulnerability allows authenticated administrators to inject malicious scripts into the Atarim WordPress plugin, which are then stored and executed when other users view affected pages. It affects WordPress sites using Atarim Visual Collaboration plugin version 3.9.3 and earlier.
💻 Affected Systems
- Atarim Visual Website Collaboration, Feedback & Project Management – Atarim WordPress plugin
📦 What is this software?
Atarim by Atarim
⚠️ Risk & Real-World Impact
Worst Case
An attacker with admin credentials could inject persistent scripts that steal session cookies, redirect users to malicious sites, or perform actions on behalf of authenticated users, potentially leading to full site compromise.
Likely Case
Malicious admin could embed scripts that execute in other users' browsers, potentially stealing their WordPress session cookies or performing unauthorized actions within the Atarim collaboration interface.
If Mitigated
With proper admin credential protection and content security policies, impact is limited to the specific Atarim interface functionality.
🎯 Exploit Status
Exploitation requires admin credentials. The stored nature means injected scripts persist across sessions.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 3.9.4 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find Atarim plugin and click 'Update Now'. 4. Verify version is 3.9.4 or higher.
🔧 Temporary Workarounds
Remove vulnerable plugin
allTemporarily disable or remove the Atarim plugin until patched
wp plugin deactivate atarim-visual-collaboration
wp plugin delete atarim-visual-collaboration
Implement Content Security Policy
allAdd CSP headers to restrict script execution
Add to .htaccess: Header set Content-Security-Policy "default-src 'self'; script-src 'self'"
Add to nginx config: add_header Content-Security-Policy "default-src 'self'; script-src 'self'";
🧯 If You Can't Patch
- Restrict admin access to trusted users only with strong authentication
- Monitor admin user activity for suspicious behavior
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Atarim plugin versionCheck Version:
wp plugin get atarim-visual-collaboration --field=versionVerify Fix Applied:
Verify plugin version is 3.9.4 or higher in WordPress admin📡 Detection & Monitoring
Log Indicators:
- Unusual admin user activity
- Multiple plugin update attempts
- Suspicious POST requests to Atarim endpoints
Network Indicators:
- Unexpected script tags in Atarim-related HTTP responses
- External script loads from Atarim pages
SIEM Query:
source="wordpress.log" AND "atarim" AND ("update" OR "admin_login")🔗 References
- https://patchstack.com/database/vulnerability/atarim-visual-collaboration/wordpress-atarim-plugin-3-9-3-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve
- https://patchstack.com/database/vulnerability/atarim-visual-collaboration/wordpress-atarim-plugin-3-9-3-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve
