CVE-2024-42623
📋 TL;DR
FrogCMS v0.9.5 contains a CSRF vulnerability in the layout deletion endpoint that allows attackers to trick authenticated administrators into performing unauthorized actions. This affects all FrogCMS v0.9.5 installations with admin panel access. Attackers can delete website layouts without the admin's knowledge.
💻 Affected Systems
- FrogCMS
📦 What is this software?
Frogcms by Frogcms Project
⚠️ Risk & Real-World Impact
Worst Case
Complete website defacement or disruption by deleting all layouts, requiring restoration from backups and causing extended downtime.
Likely Case
Targeted deletion of specific layouts causing partial website disruption and requiring manual restoration.
If Mitigated
No impact if proper CSRF protections are implemented or if the vulnerability is patched.
🎯 Exploit Status
Exploitation requires tricking an authenticated admin to visit a malicious page. The vulnerability is well-documented in public references.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: Not available
Restart Required: No
Instructions:
No official patch available. Consider upgrading to a newer version if available, or implement CSRF protection manually.
🔧 Temporary Workarounds
Implement CSRF Tokens
allAdd CSRF token validation to the layout deletion endpoint
Manual code modification required - add CSRF token generation and validation to /admin/?/layout/delete/ endpoint
Restrict Admin Access
linuxLimit admin panel access to trusted IP addresses only
# Apache: Require ip 192.168.1.0/24
# Nginx: allow 192.168.1.0/24; deny all;
🧯 If You Can't Patch
- Implement network segmentation to restrict admin panel access to trusted networks only
- Use browser extensions that block CSRF attacks or implement SameSite cookie attributes
🔍 How to Verify
Check if Vulnerable:
Check if running FrogCMS v0.9.5 and examine the layout deletion endpoint for CSRF protectionCheck Version:
Check FrogCMS version in admin panel or configuration filesVerify Fix Applied:
Test that CSRF tokens are required for layout deletion requests📡 Detection & Monitoring
Log Indicators:
- Multiple layout deletion requests from same admin session
- Layout deletion requests without referrer headers
Network Indicators:
- POST requests to /admin/?/layout/delete/ without CSRF tokens
- Unusual layout deletion patterns
SIEM Query:
source="web_logs" AND uri="/admin/?/layout/delete/" AND method="POST" AND NOT csrf_token=*