CVE-2024-42627
📋 TL;DR
FrogCMS v0.9.5 contains a Cross-Site Request Forgery (CSRF) vulnerability in the snippet deletion functionality. Attackers can trick authenticated administrators into unknowingly deleting snippets via crafted requests. This affects all FrogCMS v0.9.5 installations with admin access.
💻 Affected Systems
- FrogCMS
📦 What is this software?
Frogcms by Frogcms Project
⚠️ Risk & Real-World Impact
Worst Case
Complete content manipulation or deletion of all snippets, potentially disrupting website functionality and requiring restoration from backups.
Likely Case
Targeted deletion of specific snippets, causing content loss and requiring manual restoration.
If Mitigated
No impact if proper CSRF tokens are implemented or if admin sessions are properly protected.
🎯 Exploit Status
CSRF attacks are well-understood and easy to weaponize. The vulnerability is in a predictable endpoint pattern.
🛠️ 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 protection manually.
🔧 Temporary Workarounds
Implement CSRF Tokens
allAdd CSRF token validation to the snippet deletion endpoint
Modify /admin/?/snippet/delete/ endpoint to require and validate CSRF tokens
Use SameSite Cookies
allSet SameSite=Strict or Lax on session cookies to prevent CSRF
Set session.cookie_samesite = 'Strict' in PHP configuration
🧯 If You Can't Patch
- Implement web application firewall (WAF) rules to detect and block CSRF patterns
- Restrict admin access to specific IP addresses or networks only
🔍 How to Verify
Check if Vulnerable:
Check if FrogCMS version is 0.9.5 and if /admin/?/snippet/delete/ endpoint lacks CSRF protectionCheck Version:
Check FrogCMS version in admin panel or configuration filesVerify Fix Applied:
Verify that CSRF tokens are required for snippet deletion requests📡 Detection & Monitoring
Log Indicators:
- Multiple snippet deletion requests from same admin session without corresponding page loads
- Snippet deletions without referrer headers or with external referrers
Network Indicators:
- POST requests to /admin/?/snippet/delete/ without CSRF tokens
- Requests with suspicious referrer headers
SIEM Query:
source="web_logs" AND uri="/admin/?/snippet/delete/" AND NOT csrf_token=*