CVE-2024-42631
📋 TL;DR
FrogCMS v0.9.5 contains a Cross-Site Request Forgery (CSRF) vulnerability in the layout editing functionality at /admin/?/layout/edit/1. This allows attackers to trick authenticated administrators into performing unauthorized actions like modifying website layouts. All FrogCMS v0.9.5 installations with the admin interface accessible are affected.
💻 Affected Systems
- FrogCMS
📦 What is this software?
Frogcms by Frogcms Project
⚠️ Risk & Real-World Impact
Worst Case
Complete website defacement or content manipulation if attacker successfully tricks admin into submitting malicious layout changes, potentially leading to malware distribution or credential theft.
Likely Case
Unauthorized layout modifications leading to website defacement, injection of malicious scripts, or redirection to malicious sites.
If Mitigated
Limited impact with proper CSRF protections, though still requires admin interaction which could be socially engineered.
🎯 Exploit Status
CSRF attacks are well-understood and easy to implement; requires social engineering to trick authenticated admin.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: None found
Restart Required: No
Instructions:
No official patch available. Consider upgrading to a newer version if available, or implement CSRF protections manually.
🔧 Temporary Workarounds
Implement CSRF Tokens
allAdd CSRF token validation to the layout edit endpoint
Modify /admin/?/layout/edit/1 endpoint to include and validate CSRF tokens
Restrict Admin Access
allLimit admin interface access to trusted IP addresses only
Configure web server (Apache/Nginx) to restrict /admin/ path to specific IPs
🧯 If You Can't Patch
- Implement SameSite cookies and CORS policies to restrict cross-origin requests
- Use browser extensions that block CSRF attempts and educate admins about phishing risks
🔍 How to Verify
Check if Vulnerable:
Check if running FrogCMS v0.9.5 and if /admin/?/layout/edit/1 endpoint lacks CSRF protectionCheck Version:
Check FrogCMS version in admin panel or configuration filesVerify Fix Applied:
Verify CSRF tokens are required for POST requests to /admin/?/layout/edit/1📡 Detection & Monitoring
Log Indicators:
- Unauthorized layout modification requests from unexpected IPs or user agents
- Multiple failed CSRF token validations
Network Indicators:
- POST requests to /admin/?/layout/edit/1 without proper referrer headers or CSRF tokens
SIEM Query:
source="web_logs" AND uri="/admin/?/layout/edit/1" AND method="POST" AND (NOT csrf_token=*)