CVE-2024-42605
📋 TL;DR
Pligg CMS v2.0.2 contains a Cross-Site Request Forgery (CSRF) vulnerability in the admin page editor. This allows attackers to trick authenticated administrators into performing unauthorized actions like modifying pages. Only administrators with access to the vulnerable endpoint are affected.
💻 Affected Systems
- Pligg CMS
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete compromise of CMS content and configuration through unauthorized admin actions, potentially leading to defacement, data manipulation, or injection of malicious code.
Likely Case
Unauthorized modification of CMS pages, including injection of malicious scripts or content changes, leading to site defacement or secondary attacks on visitors.
If Mitigated
Limited impact with proper CSRF protections and admin awareness, though the vulnerability still exists in the codebase.
🎯 Exploit Status
Exploitation requires social engineering to trick an admin into clicking a malicious link while authenticated.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: Unknown
Restart Required: No
Instructions:
No official patch available; apply workarounds or upgrade to a newer version if supported.
🔧 Temporary Workarounds
Implement CSRF Tokens
allAdd CSRF protection tokens to admin forms to validate requests.
Edit /admin/edit_page.php to include and verify CSRF tokens in POST requests.
Restrict Admin Access
allLimit admin panel access to trusted IP addresses or networks.
Add IP-based restrictions in .htaccess or web server config for /admin/ directory.
🧯 If You Can't Patch
- Educate administrators about CSRF risks and safe browsing practices.
- Monitor admin logs for suspicious edit_page.php activity.
🔍 How to Verify
Check if Vulnerable:
Check if running Pligg CMS v2.0.2 and review /admin/edit_page.php for CSRF token validation.Check Version:
Check CMS version in admin panel or config files.Verify Fix Applied:
Test admin page edits with and without CSRF tokens to ensure validation is enforced.📡 Detection & Monitoring
Log Indicators:
- Multiple POST requests to /admin/edit_page.php from unexpected sources or without referrer validation.
Network Indicators:
- Unusual traffic patterns to admin endpoints from non-admin IPs.
SIEM Query:
source_ip NOT IN admin_ips AND uri_path="/admin/edit_page.php" AND http_method="POST"